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Bug 591814

Summary: dev-python/matplotlib-1.5.1 (with qt-5.7.0) - show() - QObject::connect: Cannot connect NavigationToolbar2QT::message(QString) to (null)::_show_message()
Product: Gentoo Linux Reporter: Juergen Rose <rose>
Component: Current packagesAssignee: Gentoo Linux bug wranglers <bug-wranglers>
Status: RESOLVED DUPLICATE    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Juergen Rose 2016-08-21 15:34:52 UTC
The following script:

rose@lynx:/home/rose/Txt/projects/Robina/SRC/Examples(350)$ cat matplotlib_error_with_qt5.py
import matplotlib
matplotlib.use("Qt5Agg")
from matplotlib.pyplot import *
fig = figure()
show()

fails with:

rose@lynx:/home/rose/Txt/projects/Robina/SRC/Examples(351)$ python matplotlib_error_with_qt5.py
QObject::connect: Cannot connect NavigationToolbar2QT::message(QString) to (null)::_show_message()
Traceback (most recent call last):
  File "matplotlib_error_with_qt5.py", line 5, in <module>
    fig = figure()
  File "/usr/lib64/python3.4/site-packages/matplotlib/pyplot.py", line 527, in figure
    **kwargs)
  File "/usr/lib64/python3.4/site-packages/matplotlib/backends/backend_qt5agg.py", line 43, in new_figure_manager
    return new_figure_manager_given_figure(num, thisFig)
  File "/usr/lib64/python3.4/site-packages/matplotlib/backends/backend_qt5agg.py", line 51, in new_figure_manager_given_figure
    return FigureManagerQT(canvas, num)
  File "/usr/lib64/python3.4/site-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()
rose@lynx:/home/rose/Txt/projects/Robina/SRC/Examples(352)$


There is already a bug report at https://github.com/matplotlib/matplotlib/issues/6853 .
Comment 1 Juergen Rose 2016-08-21 15:36:45 UTC
Probably a duplicate of https://bugs.gentoo.org/show_bug.cgi?id=590396 .
Comment 2 Alex Xu (Hello71) 2016-08-21 23:23:09 UTC
you know you can set duplicates yourself

*** This bug has been marked as a duplicate of bug 590396 ***