I've done some project using PyQt library for my class assignmnet. And I need to check my application working before I submit it. Today, 3 hours ago I updated my Mac book OS to Big Sur. And I found out that PyQt library doesn't work. It doesn't show any GUI. Are there someone know how to fix it?

Adding <code>os.environ['QT_MAC_WANTS_LAYER'] = '1'</code> fixes the issue on PyQT 5.15.1 (credits)

Is there any solution regarding to PyQt library doesn't work in Mac OS Big Sur?

2 Answers

Adding os.environ['QT_MAC_WANTS_LAYER'] = '1' fixes the issue on PyQT 5.15.1 (credits)

119

answered Oct 17 '22 06:10

Stanislav Tikhomirov

Rolling back to PyQt5==5.13.0 fixed the issue for me! you should uninstall PyQt5 and then install it using pip install PyQt5==5.13.0

answered Oct 17 '22 05:10

ucktrk

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Is there any solution regarding to PyQt library doesn't work in Mac OS Big Sur?

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Stanislav Tikhomirov

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