EricTheRed20

The following code creates the problem every time: ```python import numpy import matplotlib from matplotlib import pyplot #matplotlib.use("Agg") # This does indeed fix the problem but it would be better...

As a software developer, I know that these sorts of bugs are a real pain. If you email me, I'd be happy to do a TeamViewer session by phone so...

You say to "do not even create the GUI windows". The source code I gave doesn't use the Windows GUI. It saves a file to disk!