Public bug reported:
The current version from yakkety (1.5.2~rc2-1) does not work with pyqt5. Trying
to plot to the Qt5Agg backend raises the following error:
QObject::connect: Cannot connect NavigationToolbar2QT::message(QString) to
(null)::_show_message()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 3146, in plot
ax = gca()
File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 928, in gca
return gcf().gca(**kwargs)
File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 578, in gcf
return figure()
File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 527, in
figure
**kwargs)
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt5agg.py",
line 43, in new_figure_manager
return new_figure_manager_given_figure(num, thisFig)
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt5agg.py",
line 51, in new_figure_manager_given_figure
return FigureManagerQT(canvas, num)
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt5.py",
line 465, in __init__
self.toolbar.message.connect(self._show_message)
TypeError: connect() failed between NavigationToolbar2QT.message[str] and
_show_message()
This bug is fixed upstream and was backported to 1.5.x
(https://github.com/matplotlib/matplotlib/pull/6854). It is also fixed
in debian testing (https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=835455).
** Affects: matplotlib (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1655659
Title:
Qt5Agg backend can't be used
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