Package: sagemath
Version: 9.5-6
Followup-For: Bug #1052051

Dear Maintainer,

When I run sagemath here, I get:

~$ sage
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 9.5, Release Date: 2022-01-30                     │
│ Using Python 3.11.7. Type "help()" for help.                       │
└────────────────────────────────────────────────────────────────────┘
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3.11/pathlib.py", line 1251, in is_dir
    return S_ISDIR(self.stat().st_mode)
                   ^^^^^^^^^

AttributeError: 'str' object has no attribute 'stat'
Original exception was:
Traceback (most recent call last):
  File "/usr/bin/sage-ipython", line 15, in <module>
    app.initialize()
  File "/usr/lib/python3/dist-packages/traitlets/config/application.py", line 
110, in inner
    return method(app, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/IPython/terminal/ipapp.py", line 278, in 
initialize
    self.init_shell()
  File "/usr/lib/python3/dist-packages/sage/repl/interpreter.py", line 789, in 
init_shell
    self.shell.extension_manager.load_extension(SAGE_EXTENSION)
  File "/usr/lib/python3/dist-packages/IPython/core/extensions.py", line 76, in 
load_extension
    return self._load_extension(module_str)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/IPython/core/extensions.py", line 93, in 
_load_extension
    if self._call_load_ipython_extension(mod):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/IPython/core/extensions.py", line 145, 
in _call_load_ipython_extension
    mod.load_ipython_extension(self.shell)
  File "/usr/lib/python3/dist-packages/sage/repl/__init__.py", line 5, in 
load_ipython_extension
    sage.repl.ipython_extension.load_ipython_extension(*args)
  File "/usr/lib/python3/dist-packages/sage/repl/ipython_extension.py", line 
617, in wrapper
    result = func(*args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/sage/repl/ipython_extension.py", line 
630, in load_ipython_extension
    SageCustomizations(shell=ip)
  File "/usr/lib/python3/dist-packages/sage/repl/ipython_extension.py", line 
434, in __init__
    import sage.all # until sage's import hell is fixed
    ^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/sage/all.py", line 169, in <module>
    from sage.rings.all      import *
  File "/usr/lib/python3/dist-packages/sage/rings/all.py", line 87, in <module>
    from .qqbar import (AlgebraicRealField, AA,
  File "/usr/lib/python3/dist-packages/sage/rings/qqbar.py", line 2810, in 
<module>
    QQxy = QQ['x', 'y']
           ~~^^^^^^^^^^
  File "sage/structure/parent.pyx", line 1276, in 
sage.structure.parent.Parent.__getitem__ 
(build/cythonized/sage/structure/parent.c:11543)
  File "/usr/lib/python3/dist-packages/sage/categories/rings.py", line 1177, in 
__getitem__
    return PolynomialRing(self, elts)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File 
"/usr/lib/python3/dist-packages/sage/rings/polynomial/polynomial_ring_constructor.py",
 line 647, in PolynomialRing
    return _multi_variate(base_ring, names, **kwds)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File 
"/usr/lib/python3/dist-packages/sage/rings/polynomial/polynomial_ring_constructor.py",
 line 775, in _multi_variate
    from sage.rings.polynomial.multi_polynomial_libsingular import 
MPolynomialRing_libsingular
ImportError: libsingular-Singular-4.3.1.so: cannot open shared object file: No 
such file or directory

I just reported a bug on libsingular, but now it is clear that sage calls a 
version of it (4.3.1) that is no longer available after the upgrade (4.3.2 is 
the one installed). Is it only a matter of update the version of this 
dependency?

Best, Alexandre.

-- System Information:
Debian Release: trixie/sid
  APT prefers testing
  APT policy: (900, 'testing'), (800, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.5.0-5-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages sagemath depends on:
ii  python3       3.11.6-1
ii  python3-sage  9.5-6

Versions of packages sagemath recommends:
pn  sagemath-doc        <none>
ii  sagemath-jupyter    9.5-6
pn  sagetex             <none>
ii  texlive-latex-base  2023.20231207-1

Versions of packages sagemath suggests:
pn  dot2tex      <none>
pn  gap-design   <none>
pn  gap-factint  <none>
pn  gap-grape    <none>
pn  gap-guava    <none>
pn  gap-laguna   <none>
pn  gap-sonata   <none>
pn  gap-toric    <none>

-- no debconf information

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