[issue40075] _tkinter PythonCmd fails to acquire GIL

[E. Paine]

E. Paine <paineelisha at gmail.com> added the comment:

Sorry for taking so long to do something with this issue. Can you please explain *why* (mostly because I don't really have a clue) acquiring the GIL fixes this crash (I am not disputing that it does - I have compared the current 3.9 branch against yours and confirmed this). Also, can it be reproduced with just the stdlib (so we can write a unittest for this)? Is it an assumption in QT about the GIL rather than a problem with _tkinter?

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nosy: +epaine
versions: +Python 3.10, Python 3.8, Python 3.9

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<https://bugs.python.org/issue40075>
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