[Enum] update __contains__ to return True for valid values · Issue #88123 · python/cpython · GitHub

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Pull requests 2.6k

Security and quality 0

3.12only security fixes

type-bugAn unexpected behavior, bug, or error

bpo-43957: [Enum] deprecate TypeError from containment checks #25670

bpo-43957: Add a missing space to the new format enum warning #25770

Release and Deferred blockers 🚫