BPO | [43957](https://bugs.python.org/issue43957) --- | :--- Nosy | @ethanfurman, @pablogsal PRs | python/cpython#25670python/cpython#25770 *Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.* Show more details GitHub fields: ```python assignee = 'https://web.archive.org/web/20250828071503/https://github.com/ethanfurman' closed_at = created_at = labels = ['type-bug', '3.10'] title = '[Enum] update __contains__ to return True for valid values' updated_at = user = 'https://web.archive.org/web/20250828071503/https://github.com/ethanfurman' ``` bugs.python.org fields: ```python activity = actor = 'ethan.furman' assignee = 'ethan.furman' closed = True closed_date = closer = 'ethan.furman' components = [] creation = creator = 'ethan.furman' dependencies = [] files = [] hgrepos = [] issue_num = 43957 keywords = ['patch'] message_count = 4.0 messages = ['392122', '392127', '392622', '392633'] nosy_count = 2.0 nosy_names = ['ethan.furman', 'pablogsal'] pr_nums = ['25670', '25770'] priority = 'normal' resolution = 'fixed' stage = 'resolved' status = 'closed' superseder = None type = 'behavior' url = 'https://web.archive.org/web/20250828071503/https://bugs.python.org/issue43957' versions = ['Python 3.10'] ```