Public bug reported:
Hi all. I've been using Pondus for a long time. After upgrading to 18.04
graph stopped working and the graph button is greyed out. If I hover on
the button a hint appears, saying "matplotlib not available". I tried to
install matplotlib by "apt install" or pip but definitely I am not a
Python guy.
Then I tried to start the program from CLI (Kubuntu Konsole and standart
Ubuntu terminal). I got the following message at start up:
Exception in thread Thread-1:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/dist-packages/pondus/gui/window_main.py", line 359,
in run
import_mpl()
File "/usr/lib/python2.7/dist-packages/pondus/gui/window_main.py", line 374,
in import_mpl
from pondus.gui.dialog_plot import PlotDialog
File "/usr/lib/python2.7/dist-packages/pondus/gui/dialog_plot.py", line 17,
in <module>
from matplotlib.backends.backend_gtkagg import FigureCanvasGTKAgg \
File
"/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_gtkagg.py", line
14, in <module>
from matplotlib.backends.backend_gtk import (
File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_gtk.py",
line 35, in <module>
from matplotlib.backends.backend_gdk import RendererGDK, FigureCanvasGDK
File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_gdk.py",
line 33, in <module>
from matplotlib.backends._backend_gdk import pixbuf_get_pixels_array
ImportError: No module named _backend_gdk
** Affects: pondus (Ubuntu)
Importance: Undecided
Status: New
** Tags: matplotlib pondus
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https://bugs.launchpad.net/bugs/1768183
Title:
matplotlib is not available, graph is not shown
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