[issue42248] Raised exception in Enum keeping user objects alive unnecessarily

[Ethan Furman]

Ethan Furman <ethan at stoneleaf.us> added the comment:


New changeset 6379924ecd51e346b42b0293da0f4442a0f67707 by Ethan Furman in branch '3.9':
[3.9] bpo-42248: [Enum] ensure exceptions raised in ``_missing_`` are released (GH-25350). (GH-25370)
https://github.com/python/cpython/commit/6379924ecd51e346b42b0293da0f4442a0f67707


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<https://bugs.python.org/issue42248>
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