Re: c++ level assertion error in pyplot

On Monday, January 28, 2019 at 4:06:58 AM UTC-8, [email protected] wrote:
>
> When I run the PyPlot demo I get an C++ level assertion error:
>
> /tmp/build/80754af9/wxpython_1533092551369/work/ext/wxWidgets/src/gtk/dcclient.cpp(2038): 
> assert "m_window" failed in DoGetSize(): GetSize() doesn't work without 
> window
>
> This happens only on GTK (wxpython-4.0.3). The script continues but I am 
> wondering what should be done to solve this issue.
>
>
Look for a place where a DC might be used before the window is fully 
created. On wxGTK platforms the UI portion of a window or widget is not 
actually created at the same time that the C++ object is created. This is 
because of the asynchronous nature of X windows communication between the 
application and the display server. The UI part of the object may not 
actually be created until the first time that the widget is exposed.

--
Robin

 

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