[issue40574] segfault causing regression from PEP 573 implementation (PyQt5)
Thomas Caswell
report at bugs.python.org
Mon May 11 18:45:18 EDT 2020
Thomas Caswell <tcaswell at gmail.com> added the comment:
The path is
- on a commit prior to e1becf46b4e3ba6d7d32ebf4bbd3e0804766a423 install pyqt-sip. pip will build a wheel for you called PyQt5_sip-12.7.2-cp39-cp39-linux_x86_64.whl
- on a commit after e1becf46b4e3ba6d7d32ebf4bbd3e0804766a423 if you do `pip install pyqt-sip` pip will discover the wheel from the previous install in it's cache and use it, but the ABI has changed (?) which leads to a segfault. If you do `pip install pyqt5-sip --no-binary pyqt5-sip` or clear the cache then things work correctly
I suspect that this also means that wheels made with the early alphas will not work future 3.9 (pre-)releases, however I am not sure if that is a problem or not (given that it is all pre-releases).
I am going to close this as I think if there is a bug, it would be better addressed in the packaging space.
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stage: -> resolved
status: open -> closed
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