Bug#999516: marked as done (python-ltfatpy: FTBFS with matplotlib 3.5 (in experimental): dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.9 returned exit code 13)

[Debian Bug Tracking System]

Your message dated Sun, 21 Nov 2021 10:35:48 +0000
with message-id <e1mokck-000i8k...@fasolo.debian.org>
and subject line Bug#999516: fixed in python-ltfatpy 1.0.16-6
has caused the Debian Bug report #999516,
regarding python-ltfatpy: FTBFS with matplotlib 3.5 (in experimental): 
dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.9 
returned exit code 13
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact ow...@bugs.debian.org
immediately.)


-- 
999516: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999516
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems

--- Begin Message ---

Source: python-ltfatpy
Version: 1.0.16-5
Severity: important
Justification: FTBFS
Tags: bookworm sid ftbfs
User: lu...@debian.org
Usertags: ftbfs-matplotlib35

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64, using matplotlib 3.5 currently in experimental. This version
will soon be uploaded to unstable.

If you have questions about this, please contact Sandro Tosi
<mo...@debian.org>.

Relevant part (hopefully):
> make[1]: Entering directory '/<<PKGBUILDDIR>>'
> xvfb-run -a dh_auto_test
> I: pybuild base:232: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build; 
> python3.9 -m pytest 
> ============================= test session starts 
> ==============================
> platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.0
> rootdir: /<<PKGBUILDDIR>>, configfile: setup.cfg
> plugins: cov-3.0.0
> collected 0 items / 59 errors
> 
> ==================================== ERRORS 
> ====================================
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_assert_sigreshape_post.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_assert_sigreshape_post.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_assert_sigreshape_pre.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_assert_sigreshape_pre.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_dct.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_dct.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_dst.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_dst.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_gabdual.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_gabdual.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_hermite.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_hermite.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_hermite_all.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_hermite_all.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_isepdgt.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_isepdgt.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_pgauss.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_pgauss.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_sepdgt.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_sepdgt.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_sigreshape.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/comp/test_comp_sigreshape.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/datasets/test_read_dgt_signal_ext.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/datasets/test_read_dgt_signal_ext.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/datasets/test_read_ref_mat.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/datasets/test_read_ref_mat.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dct.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dct.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dft.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dft.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dst.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_dst.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftindex.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftindex.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftreal.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftreal.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftresample.py 
> _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_fftresample.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_idft.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_idft.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_ifftreal.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_ifftreal.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_isevenfunction.py
>  _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_isevenfunction.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_middlepad.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_middlepad.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pderiv.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pderiv.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pgauss.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pgauss.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pherm.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_pherm.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_psech.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/fourier/test_psech.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_dgt.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_dgt.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabdual.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabdual.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabframediag.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabframediag.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabimagepars.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabimagepars.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabphasegrad.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabphasegrad.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabtight.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabtight.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabwin.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_gabwin.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_idgt.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_idgt.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_instfreqplot.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_instfreqplot.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaselock.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaselock.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaseplot.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaseplot.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaseunlock.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_phaseunlock.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_plotdgt.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_plotdgt.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_plotdgtreal.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_plotdgtreal.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_s0norm.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_s0norm.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_sgram.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_sgram.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_tfplot.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/gabor/test_tfplot.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_greasy.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_greasy.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_gspi.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_gspi.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_linus.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/signals/test_linus.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_fir2long.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_fir2long.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_firkaiser.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_firkaiser.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_firwin.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_firwin.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_groupthresh.py 
> _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_groupthresh.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_largestn.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_largestn.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_largestr.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_largestr.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_long2fir.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_long2fir.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_normalize.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_normalize.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_rms.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_rms.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_thresh.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/sigproc/test_thresh.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/tools/test_lcm.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/tools/test_lcm.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> _ ERROR collecting 
> .pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/tools/test_postpad.py _
> ImportError while importing test module 
> '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/tests/tools/test_postpad.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> ltfatpy/__init__.py:131: in <module>
>     from ltfatpy.gabor.instfreqplot import instfreqplot
> ltfatpy/gabor/instfreqplot.py:68: in <module>
>     from ltfatpy.gabor.plotdgt import plotdgt
> ltfatpy/gabor/plotdgt.py:68: in <module>
>     from ltfatpy.gabor.tfplot import tfplot
> ltfatpy/gabor/tfplot.py:67: in <module>
>     import matplotlib.pyplot as plt
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:2226: in <module>
>     switch_backend(rcParams["backend"])
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:267: in switch_backend
>     class backend_mod(matplotlib.backend_bases._Backend):
> /usr/lib/python3/dist-packages/matplotlib/pyplot.py:268: in backend_mod
>     locals().update(vars(importlib.import_module(backend_name)))
> /usr/lib/python3.9/importlib/__init__.py:127: in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
> /usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py:1: in 
> <module>
>     from . import _backend_tk
> /usr/lib/python3/dist-packages/matplotlib/backends/_backend_tk.py:14: in 
> <module>
>     from PIL import Image, ImageTk
> E   ImportError: cannot import name 'ImageTk' from 'PIL' 
> (/usr/lib/python3/dist-packages/PIL/__init__.py)
> =============================== warnings summary 
> ===============================
> ltfatpy/sigproc/firwin.py:75
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/sigproc/firwin.py:75:
>  DeprecationWarning: invalid escape sequence \m
>     """ Returns a FIR window of length *M* of type *name*.
> 
> ltfatpy/sigproc/normalize.py:76
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/sigproc/normalize.py:76:
>  DeprecationWarning: invalid escape sequence \i
>     """Normalize input signal by specified norm
> 
> ltfatpy/sigproc/rms.py:74
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/sigproc/rms.py:74:
>  DeprecationWarning: invalid escape sequence \s
>     """RMS value of signal
> 
> ltfatpy/fourier/psech.py:71
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/psech.py:71:
>  DeprecationWarning: invalid escape sequence \p
>     """Sampled, periodized hyperbolic secant
> 
> ltfatpy/fourier/dcti.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dcti.py:73:
>  DeprecationWarning: invalid escape sequence \ 
>     """Discrete Cosine Transform type I
> 
> ltfatpy/fourier/dctii.py:75
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dctii.py:75:
>  DeprecationWarning: invalid escape sequence \|
>     """Discrete Cosine Transform type II
> 
> ltfatpy/fourier/dctiii.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dctiii.py:73:
>  DeprecationWarning: invalid escape sequence \|
>     """Discrete Cosine Transform type III
> 
> ltfatpy/fourier/dft.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dft.py:73:
>  DeprecationWarning: invalid escape sequence \l
>     """Normalized Discrete Fourier Transform
> 
> ltfatpy/fourier/dstii.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dstii.py:73:
>  DeprecationWarning: invalid escape sequence \|
>     """Discrete Sine Transform type II
> 
> ltfatpy/fourier/dstiii.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/dstiii.py:73:
>  DeprecationWarning: invalid escape sequence \|
>     """Discrete Sine Transform type III
> 
> ltfatpy/fourier/idft.py:73
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/fourier/idft.py:73:
>  DeprecationWarning: invalid escape sequence \l
>     """Inverse Normalized Discrete Fourier Transform
> 
> ltfatpy/gabor/dgt.py:77
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/gabor/dgt.py:77: 
> DeprecationWarning: invalid escape sequence \l
>     """Discrete Gabor Transform
> 
> ltfatpy/gabor/idgt.py:76
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/gabor/idgt.py:76:
>  DeprecationWarning: invalid escape sequence \l
>     """Inverse discrete Gabor transform
> 
> ltfatpy/gabor/tfplot.py:75
>   
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build/ltfatpy/gabor/tfplot.py:75:
>  DeprecationWarning: invalid escape sequence \l
>     """Plot coefficient matrix on the TF plane
> 
> -- Docs: https://docs.pytest.org/en/stable/warnings.html
> 
> ----------- coverage: platform linux, python 3.9.7-final-0 -----------
> Name                                                        Stmts   Miss  
> Cover   Missing
> -----------------------------------------------------------------------------------------
> ltfatpy/__init__.py                                            77     25    
> 68%   132-174
> ltfatpy/comp/__init__.py                                        0      0   
> 100%
> ltfatpy/comp/arg_firwin.py                                      4      1    
> 75%   77
> ltfatpy/comp/assert_groworder.py                               10      6    
> 40%   91-99
> ltfatpy/comp/assert_sigreshape_post.py                          8      4    
> 50%   93-99
> ltfatpy/comp/assert_sigreshape_pre.py                          35     29    
> 17%   103-151
> ltfatpy/comp/comp_hermite.py                                   20     15    
> 25%   84-101
> ltfatpy/comp/comp_hermite_all.py                               17     13    
> 24%   92-108
> ltfatpy/comp/comp_sigreshape_post.py                           10      6    
> 40%   77-83
> ltfatpy/comp/comp_sigreshape_pre.py                            25     21    
> 16%   76-110
> ltfatpy/comp/comp_window.py                                   131    117    
> 11%   118-254, 273-278
> ltfatpy/comp/gabpars_from_windowsignal.py                      18     11    
> 39%   89-115
> ltfatpy/fourier/__init__.py                                     0      0   
> 100%
> ltfatpy/fourier/dcti.py                                        14      7    
> 50%   166-173
> ltfatpy/fourier/dctii.py                                       17      9    
> 47%   161-172
> ltfatpy/fourier/dctiii.py                                      14      7    
> 50%   159-166
> ltfatpy/fourier/dctiv.py                                       14      7    
> 50%   147-154
> ltfatpy/fourier/dft.py                                         10      4    
> 60%   116-124
> ltfatpy/fourier/dsti.py                                        14      7    
> 50%   154-161
> ltfatpy/fourier/dstii.py                                       14      7    
> 50%   157-164
> ltfatpy/fourier/dstiii.py                                      14      7    
> 50%   157-164
> ltfatpy/fourier/dstiv.py                                       14      7    
> 50%   148-155
> ltfatpy/fourier/fftindex.py                                    12      8    
> 33%   97-108
> ltfatpy/fourier/fftreal.py                                      5      1    
> 80%   115
> ltfatpy/fourier/fftresample.py                                 17      7    
> 59%   107-125
> ltfatpy/fourier/idft.py                                        10      4    
> 60%   118-126
> ltfatpy/fourier/ifftreal.py                                     5      1    
> 80%   111
> ltfatpy/fourier/isevenfunction.py                              18     13    
> 28%   101-129
> ltfatpy/fourier/middlepad.py                                   38     31    
> 18%   120-234
> ltfatpy/fourier/pderiv.py                                      21     14    
> 33%   112-134
> ltfatpy/fourier/pgauss.py                                      30     25    
> 17%   174-201
> ltfatpy/fourier/pherm.py                                       76     67    
> 12%   174-254, 259-273
> ltfatpy/fourier/psech.py                                       23     18    
> 22%   138-162
> ltfatpy/gabor/__init__.py                                       0      0   
> 100%
> ltfatpy/gabor/dgt.py                                           35     25    
> 29%   203-248
> ltfatpy/gabor/dgtlength.py                                     19     13    
> 32%   97-110
> ltfatpy/gabor/dgtreal.py                                       16     10    
> 38%   179-193
> ltfatpy/gabor/gabdual.py                                       38     28    
> 26%   141-190, 194-195
> ltfatpy/gabor/gabframediag.py                                  19     12    
> 37%   101-120, 126-127
> ltfatpy/gabor/gabimagepars.py                                  23     18    
> 22%   145-182
> ltfatpy/gabor/gabphasegrad.py                                  98     87    
> 11%   197-427
> ltfatpy/gabor/gabtight.py                                      40     30    
> 25%   148-198, 203-204
> ltfatpy/gabor/gabwin.py                                         6      2    
> 67%   185-189
> ltfatpy/gabor/idgt.py                                          40     30    
> 25%   162-208
> ltfatpy/gabor/idgtreal.py                                      44     35    
> 20%   168-228
> ltfatpy/gabor/instfreqplot.py                                  59     55     
> 7%   69-223
> ltfatpy/gabor/phaselock.py                                     23     23     
> 0%   57-149
> ltfatpy/gabor/phaseplot.py                                     42     42     
> 0%   57-216
> ltfatpy/gabor/phaseunlock.py                                   23     23     
> 0%   57-132
> ltfatpy/gabor/plotdgt.py                                       13      9    
> 31%   71-115
> ltfatpy/gabor/plotdgtreal.py                                   10     10     
> 0%   57-107
> ltfatpy/gabor/s0norm.py                                        25     17    
> 32%   105-126, 130-131
> ltfatpy/gabor/sgram.py                                         47     47     
> 0%   57-233
> ltfatpy/gabor/tfplot.py                                        72     68     
> 6%   68-283
> ltfatpy/signals/__init__.py                                     0      0   
> 100%
> ltfatpy/signals/greasy.py                                      10     10     
> 0%   57-138
> ltfatpy/signals/gspi.py                                        10     10     
> 0%   57-96
> ltfatpy/signals/linus.py                                       10     10     
> 0%   57-99
> ltfatpy/sigproc/__init__.py                                     0      0   
> 100%
> ltfatpy/sigproc/fir2long.py                                    14      9    
> 36%   99-114
> ltfatpy/sigproc/firkaiser.py                                   23     23     
> 0%   57-206
> ltfatpy/sigproc/firwin.py                                     107    100     
> 7%   242-389
> ltfatpy/sigproc/groupthresh.py                                 28     28     
> 0%   57-172
> ltfatpy/sigproc/largestn.py                                    14     14     
> 0%   57-137
> ltfatpy/sigproc/largestr.py                                     9      9     
> 0%   57-129
> ltfatpy/sigproc/long2fir.py                                    26     21    
> 19%   103-140
> ltfatpy/sigproc/normalize.py                                   40     31    
> 22%   125-162
> ltfatpy/sigproc/rms.py                                         21     14    
> 33%   115-134
> ltfatpy/sigproc/thresh.py                                      31     31     
> 0%   57-200
> ltfatpy/tests/__init__.py                                       0      0   
> 100%
> ltfatpy/tests/comp/__init__.py                                  0      0   
> 100%
> ltfatpy/tests/comp/test_assert_sigreshape_post.py              38     38     
> 0%   57-112
> ltfatpy/tests/comp/test_assert_sigreshape_pre.py               74     74     
> 0%   57-151
> ltfatpy/tests/comp/test_comp_dct.py                            27     27     
> 0%   57-100
> ltfatpy/tests/comp/test_comp_dst.py                            27     27     
> 0%   57-100
> ltfatpy/tests/comp/test_comp_gabdual.py                        27     27     
> 0%   57-100
> ltfatpy/tests/comp/test_comp_hermite.py                        23     23     
> 0%   57-104
> ltfatpy/tests/comp/test_comp_hermite_all.py                    28     28     
> 0%   57-132
> ltfatpy/tests/comp/test_comp_isepdgt.py                        35     35     
> 0%   57-110
> ltfatpy/tests/comp/test_comp_pgauss.py                         27     27     
> 0%   57-98
> ltfatpy/tests/comp/test_comp_sepdgt.py                         35     35     
> 0%   57-111
> ltfatpy/tests/comp/test_comp_sigreshape.py                     64     64     
> 0%   57-139
> ltfatpy/tests/datasets/__init__.py                              0      0   
> 100%
> ltfatpy/tests/datasets/get_dataset_path.py                      6      6     
> 0%   57-83
> ltfatpy/tests/datasets/read_comp_dct_signal_ex_mat.py          19     19     
> 0%   57-111
> ltfatpy/tests/datasets/read_comp_dst_signal_ex_mat.py          19     19     
> 0%   57-111
> ltfatpy/tests/datasets/read_dgt_signal_ex_mat.py               25     25     
> 0%   57-118
> ltfatpy/tests/datasets/read_gabframediag_signal_ex_mat.py      19     19     
> 0%   57-110
> ltfatpy/tests/datasets/read_gabtight_signal_ex_mat.py          19     19     
> 0%   57-110
> ltfatpy/tests/datasets/read_ref_mat.py                         40     40     
> 0%   57-223
> ltfatpy/tests/datasets/read_s0norm_ex_mat.py                   20     20     
> 0%   57-111
> ltfatpy/tests/datasets/test_read_dgt_signal_ext.py             52     52     
> 0%   57-143
> ltfatpy/tests/datasets/test_read_ref_mat.py                    28     28     
> 0%   57-113
> ltfatpy/tests/fourier/__init__.py                               0      0   
> 100%
> ltfatpy/tests/fourier/test_dct.py                              48     48     
> 0%   57-126
> ltfatpy/tests/fourier/test_dft.py                              39     39     
> 0%   57-119
> ltfatpy/tests/fourier/test_dst.py                              48     48     
> 0%   57-126
> ltfatpy/tests/fourier/test_fftindex.py                         46     46     
> 0%   57-130
> ltfatpy/tests/fourier/test_fftreal.py                          39     39     
> 0%   57-118
> ltfatpy/tests/fourier/test_fftresample.py                      59     59     
> 0%   57-146
> ltfatpy/tests/fourier/test_idft.py                             56     56     
> 0%   57-143
> ltfatpy/tests/fourier/test_ifftreal.py                         56     56     
> 0%   57-142
> ltfatpy/tests/fourier/test_isevenfunction.py                   25     25     
> 0%   57-96
> ltfatpy/tests/fourier/test_middlepad.py                        69     69     
> 0%   57-185
> ltfatpy/tests/fourier/test_pderiv.py                           55     55     
> 0%   57-143
> ltfatpy/tests/fourier/test_pgauss.py                           58     58     
> 0%   57-140
> ltfatpy/tests/fourier/test_pherm.py                            45     45     
> 0%   57-122
> ltfatpy/tests/fourier/test_psech.py                            33     33     
> 0%   57-104
> ltfatpy/tests/gabor/__init__.py                                 0      0   
> 100%
> ltfatpy/tests/gabor/test_dgt.py                                62     62     
> 0%   57-142
> ltfatpy/tests/gabor/test_gabdual.py                            44     44     
> 0%   57-124
> ltfatpy/tests/gabor/test_gabframediag.py                       27     27     
> 0%   57-104
> ltfatpy/tests/gabor/test_gabimagepars.py                       24     24     
> 0%   57-104
> ltfatpy/tests/gabor/test_gabphasegrad.py                       76     76     
> 0%   57-173
> ltfatpy/tests/gabor/test_gabtight.py                           54     54     
> 0%   57-132
> ltfatpy/tests/gabor/test_gabwin.py                            290    290     
> 0%   57-413
> ltfatpy/tests/gabor/test_idgt.py                               66     66     
> 0%   57-149
> ltfatpy/tests/gabor/test_instfreqplot.py                       31     31     
> 0%   57-121
> ltfatpy/tests/gabor/test_phaselock.py                          43     43     
> 0%   57-131
> ltfatpy/tests/gabor/test_phaseplot.py                          29     29     
> 0%   57-114
> ltfatpy/tests/gabor/test_phaseunlock.py                        30     30     
> 0%   57-114
> ltfatpy/tests/gabor/test_plotdgt.py                            25     25     
> 0%   57-109
> ltfatpy/tests/gabor/test_plotdgtreal.py                        24     24     
> 0%   57-103
> ltfatpy/tests/gabor/test_s0norm.py                             32     32     
> 0%   57-108
> ltfatpy/tests/gabor/test_sgram.py                              35     35     
> 0%   57-126
> ltfatpy/tests/gabor/test_tfplot.py                             89     89     
> 0%   57-204
> ltfatpy/tests/signals/__init__.py                               0      0   
> 100%
> ltfatpy/tests/signals/test_greasy.py                           23     23     
> 0%   57-98
> ltfatpy/tests/signals/test_gspi.py                             23     23     
> 0%   57-98
> ltfatpy/tests/signals/test_linus.py                            23     23     
> 0%   57-98
> ltfatpy/tests/sigproc/__init__.py                               0      0   
> 100%
> ltfatpy/tests/sigproc/test_fir2long.py                         23     23     
> 0%   57-94
> ltfatpy/tests/sigproc/test_firkaiser.py                        30     30     
> 0%   57-121
> ltfatpy/tests/sigproc/test_firwin.py                           61     61     
> 0%   57-170
> ltfatpy/tests/sigproc/test_groupthresh.py                      68     68     
> 0%   57-168
> ltfatpy/tests/sigproc/test_largestn.py                         54     54     
> 0%   57-145
> ltfatpy/tests/sigproc/test_largestr.py                         54     54     
> 0%   57-145
> ltfatpy/tests/sigproc/test_long2fir.py                         28     28     
> 0%   57-106
> ltfatpy/tests/sigproc/test_normalize.py                        28     28     
> 0%   57-103
> ltfatpy/tests/sigproc/test_rms.py                              28     28     
> 0%   57-97
> ltfatpy/tests/sigproc/test_thresh.py                           56     56     
> 0%   57-148
> ltfatpy/tests/tools/__init__.py                                 0      0   
> 100%
> ltfatpy/tests/tools/test_lcm.py                                44     44     
> 0%   57-132
> ltfatpy/tests/tools/test_postpad.py                            73     73     
> 0%   57-167
> ltfatpy/tools/__init__.py                                       0      0   
> 100%
> ltfatpy/tools/lcm.py                                           15      9    
> 40%   67-71, 91-103
> ltfatpy/tools/postpad.py                                       16     10    
> 38%   108-123
> ltfatpy/version.py                                             13     13     
> 0%   56-74
> -----------------------------------------------------------------------------------------
> TOTAL                                                        4739   4350     
> 8%
> Coverage HTML written to dir htmlcov
> 
> =========================== short test summary info 
> ============================
> ERROR ltfatpy/tests/comp/test_assert_sigreshape_post.py
> ERROR ltfatpy/tests/comp/test_assert_sigreshape_pre.py
> ERROR ltfatpy/tests/comp/test_comp_dct.py
> ERROR ltfatpy/tests/comp/test_comp_dst.py
> ERROR ltfatpy/tests/comp/test_comp_gabdual.py
> ERROR ltfatpy/tests/comp/test_comp_hermite.py
> ERROR ltfatpy/tests/comp/test_comp_hermite_all.py
> ERROR ltfatpy/tests/comp/test_comp_isepdgt.py
> ERROR ltfatpy/tests/comp/test_comp_pgauss.py
> ERROR ltfatpy/tests/comp/test_comp_sepdgt.py
> ERROR ltfatpy/tests/comp/test_comp_sigreshape.py
> ERROR ltfatpy/tests/datasets/test_read_dgt_signal_ext.py
> ERROR ltfatpy/tests/datasets/test_read_ref_mat.py
> ERROR ltfatpy/tests/fourier/test_dct.py
> ERROR ltfatpy/tests/fourier/test_dft.py
> ERROR ltfatpy/tests/fourier/test_dst.py
> ERROR ltfatpy/tests/fourier/test_fftindex.py
> ERROR ltfatpy/tests/fourier/test_fftreal.py
> ERROR ltfatpy/tests/fourier/test_fftresample.py
> ERROR ltfatpy/tests/fourier/test_idft.py
> ERROR ltfatpy/tests/fourier/test_ifftreal.py
> ERROR ltfatpy/tests/fourier/test_isevenfunction.py
> ERROR ltfatpy/tests/fourier/test_middlepad.py
> ERROR ltfatpy/tests/fourier/test_pderiv.py
> ERROR ltfatpy/tests/fourier/test_pgauss.py
> ERROR ltfatpy/tests/fourier/test_pherm.py
> ERROR ltfatpy/tests/fourier/test_psech.py
> ERROR ltfatpy/tests/gabor/test_dgt.py
> ERROR ltfatpy/tests/gabor/test_gabdual.py
> ERROR ltfatpy/tests/gabor/test_gabframediag.py
> ERROR ltfatpy/tests/gabor/test_gabimagepars.py
> ERROR ltfatpy/tests/gabor/test_gabphasegrad.py
> ERROR ltfatpy/tests/gabor/test_gabtight.py
> ERROR ltfatpy/tests/gabor/test_gabwin.py
> ERROR ltfatpy/tests/gabor/test_idgt.py
> ERROR ltfatpy/tests/gabor/test_instfreqplot.py
> ERROR ltfatpy/tests/gabor/test_phaselock.py
> ERROR ltfatpy/tests/gabor/test_phaseplot.py
> ERROR ltfatpy/tests/gabor/test_phaseunlock.py
> ERROR ltfatpy/tests/gabor/test_plotdgt.py
> ERROR ltfatpy/tests/gabor/test_plotdgtreal.py
> ERROR ltfatpy/tests/gabor/test_s0norm.py
> ERROR ltfatpy/tests/gabor/test_sgram.py
> ERROR ltfatpy/tests/gabor/test_tfplot.py
> ERROR ltfatpy/tests/signals/test_greasy.py
> ERROR ltfatpy/tests/signals/test_gspi.py
> ERROR ltfatpy/tests/signals/test_linus.py
> ERROR ltfatpy/tests/sigproc/test_fir2long.py
> ERROR ltfatpy/tests/sigproc/test_firkaiser.py
> ERROR ltfatpy/tests/sigproc/test_firwin.py
> ERROR ltfatpy/tests/sigproc/test_groupthresh.py
> ERROR ltfatpy/tests/sigproc/test_largestn.py
> ERROR ltfatpy/tests/sigproc/test_largestr.py
> ERROR ltfatpy/tests/sigproc/test_long2fir.py
> ERROR ltfatpy/tests/sigproc/test_normalize.py
> ERROR ltfatpy/tests/sigproc/test_rms.py
> ERROR ltfatpy/tests/sigproc/test_thresh.py
> ERROR ltfatpy/tests/tools/test_lcm.py
> ERROR ltfatpy/tests/tools/test_postpad.py
> !!!!!!!!!!!!!!!!!!! Interrupted: 59 errors during collection 
> !!!!!!!!!!!!!!!!!!!
> ======================= 14 warnings, 59 errors in 11.57s 
> =======================
> E: pybuild pybuild:354: test: plugin distutils failed with: exit code=2: cd 
> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_ltfatpy/build; python3.9 -m pytest 
> dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.9 
> returned exit code 13


The full build log is available from:
http://qa-logs.debian.net/http://qa-logs.debian.net/2021/11/numpy-matplotlib/matplotlib-exp/python-ltfatpy_1.0.16-5_unstable_matplotlib-exp.log

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.

--- End Message ---

--- Begin Message ---

Source: python-ltfatpy
Source-Version: 1.0.16-6
Done: Antonio Valentino <antonio.valent...@tiscali.it>

We believe that the bug you reported is fixed in the latest version of
python-ltfatpy, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 999...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Antonio Valentino <antonio.valent...@tiscali.it> (supplier of updated 
python-ltfatpy package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Sun, 21 Nov 2021 10:12:01 +0000
Source: python-ltfatpy
Architecture: source
Version: 1.0.16-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers 
<debian-science-maintain...@lists.alioth.debian.org>
Changed-By: Antonio Valentino <antonio.valent...@tiscali.it>
Closes: 999516 999535
Changes:
 python-ltfatpy (1.0.16-6) unstable; urgency=medium
 .
   * Add dependency on python3-pil.imagetk (Closes: 999516).
   * Debian/patches:
     - new 0001-Compatibility-with-numpy-1.21.patch (Closes: 999535).
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python-ltfatpy_1.0.16-6_amd64.buildinfo
Checksums-Sha256:
 462eb30247a40bf297b3ea92b33191b7d11c9b7f64cf8590da55d91d0e58c941 2518 
python-ltfatpy_1.0.16-6.dsc
 46ed8aca8a9a6e413113a739a80a595d814cdbdf2ae88b6164ceb307392193de 5152 
python-ltfatpy_1.0.16-6.debian.tar.xz
 0104f26909c73ab54c6c7ca27853a401c277f793d1243e6a00912a24c7b426aa 12240 
python-ltfatpy_1.0.16-6_amd64.buildinfo
Files:
 28b1e77eb00cf7c56bf78be2ce8230eb 2518 python optional 
python-ltfatpy_1.0.16-6.dsc
 65b597a997bcc209675deadad978eed9 5152 python optional 
python-ltfatpy_1.0.16-6.debian.tar.xz
 b9b67a00aed0325e5cf4f9d49ed837a7 12240 python optional 
python-ltfatpy_1.0.16-6_amd64.buildinfo

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