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gh-154594: Fix deepcopy memo lookup when __deepcopy__ returns None
- #154595
#154595
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eendebakpt
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Sep 17, 2026
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gh-154594: Fix deepcopy memo lookup when __deepcopy__ returns None
#154595
eendebakpt
merged 5 commits into
python:main
python/cpython:main
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tonghuaroot:fix-deepcopy-none-sentinel
tonghuaroot/cpython:fix-deepcopy-none-sentinel
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Commits on Jul 24, 2026
gh-154594: Fix deepcopy memo lookup when __deepcopy__ returns None
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Commits on Jul 30, 2026
Use 'd in memo' lookup instead of a sentinel
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Apply review suggestions: shorten NEWS, use class attribute in test
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Commits on Aug 4, 2026
Merge branch 'main' into fix-deepcopy-none-sentinel
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Commits on Sep 10, 2026
Merge branch 'main' into fix-deepcopy-none-sentinel
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