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gh-141510: Fix frozendict.fromkeys() for subclasses
- #144952
#144952
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Feb 18, 2026
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gh-141510: Fix frozendict.fromkeys() for subclasses
#144952
vstinner
merged 6 commits into
python:main
python/cpython:main
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vstinner:frozendict_fromkeys_copy
vstinner/cpython:frozendict_fromkeys_copy
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gh-141510: Fix frozendict.fromkeys() for subclasses
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Use PyUnstable_Object_IsUniquelyReferenced()
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Test checks that created dict is not modified
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Simplify the test
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Merge branch 'main' into frozendict_fromkeys_copy
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Reuse can_modify_dict()
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