Use cleaner recursion check in PyQt FigureCanvas' resizeEvent. #23729
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anntzer
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meeseeksmachine
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…ureCanvas' resizeEvent.
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Thank you @anthepro for this PR and tracking down the underlying problem! Congratulations on your first merged Matplotlib PR 🎉 Hopefully we will hear from you again! |
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…729-on-v3.6.x Backport PR #23729 on branch v3.6.x (Use cleaner recursion check in PyQt FigureCanvas' resizeEvent.)
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As suggested in issue #22409, using sys._getframe can lead to a memory leak which then causes PyQt to send the wrong event type. This solves the issue by and using a cleaner solution which avoids sys._getframe for determining recursion.