Precise Simulation

Maybe it is particular to my Windows 10 system but I see the issue again when resizing and Tk 8.6.9: (base) C:\temp>python tkinter_.py [tkinter_.py] CEF Python 66.0 [tkinter_.py] Python 3.7.7...

Check and make sure that you have the freetype _sources_ installed sudo apt-get install libfreetype6-dev

I have some similar issues with ag and windows and it seems the ag does not like backslash "/" in the search path but works if I substitute to windows...

Yes, that seems to work fine. loadmat('test.mat') {'__header__': b'MATLAB 5.0 MAT-file, written by Octave 6.2.0, 2021-03-12 10:01:17 UTC', '__version__': '1.0', '__globals__': [], 'a': array([[(array([[1.]]),)]], dtype=[('b', 'O')])} It could be something...