Mac OS, No module named 'matplotlib.backends.backend_macosx' error about nuitka HOT 11 CLOSED

It seems the CI test only doing import matplotlib doesn't trigger it. I reproduced it just now with version 3.8.1 which I happen to still have installed. Pretty sure some version some time worked, but this should be easy. Probably a Nuitka regression, since I believe we now ask code what backend is used.

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I am pretty convinced, macOS used to work, special thanks to keeping the matplotlib version used secret.

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special thanks to keeping the matplotlib version used secret.

Thanks are in vain. Matpotlib version is 3.8.2, as you can see in the initial message.

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I clearly have reading issues, I apologize.

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So what happens is that the default backend on macos was not included, but only the Qt ones, if you used PySide or PyQt, as many people do. The dependent was easy to add. Then the C code is badly implemented, sort of:

line 78, in _single_shot_timer
  File "/Users/hayen/repos/Py2C/MatplotlibUsing.dist/matplotlib/backend_bases.py", line 1150, in start
RuntimeError: _on_timer should be a Python method

At least it tests its assumption and properly error exits where other things sometimes just segfault. That required a plugin change for the matplotlib plugin to not compile those functions, and then it works for me.

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Thanks for your report, this is fixed on the factory branch, which is a development version under rapid development. You can try it out by going here: https://nuitka.net/doc/factory.html

Feedback if this is working is very welcome, just please do not share plans of doing it, but rather confirmations or denials of it working.

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There will be no 1.9 hotfixes anymore, so this is part of 2.0 release which is delayed due to flu I seem to have caught, but should happen within 1-2 weeks for sure.

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Fix tested - working.

p.s. According to the github repo history your PC clock is late for about 2 days.

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That's WSL2 for you, during suspend, the system time doesn't move. I don't bother to correct it a lot, but I agree it's not nice.

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This is now on develop branch and will be part of the 2.0 release.

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This is part of the stable release 2.0 that I just made.

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