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Assigning and deleting __new__ attr on the class does not allow to create instances of this class #69917

@skonieczny

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@skonieczny
BPO 25731
Nosy @Yhg1s, @benjaminp, @eryksun, @skonieczny
Files
  • new_patch_fails.py: Attached file works on python 2.7, but fails on python3.5 with TypeError: object() takes no parameters.
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = None
    created_at = <Date 2015-11-25.12:29:50.304>
    labels = ['interpreter-core', 'type-bug', '3.8', '3.9', '3.10']
    title = 'Assigning and deleting __new__ attr on the class does not allow to create instances of this class'
    updated_at = <Date 2021-03-05.12:14:47.716>
    user = 'https://github.com/skonieczny'

    bugs.python.org fields:

    activity = <Date 2021-03-05.12:14:47.716>
    actor = 'eryksun'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Interpreter Core']
    creation = <Date 2015-11-25.12:29:50.304>
    creator = 'uosiu'
    dependencies = []
    files = ['41161']
    hgrepos = []
    issue_num = 25731
    keywords = []
    message_count = 10.0
    messages = ['255337', '255371', '258530', '258572', '262922', '263580', '263816', '266574', '266576', '278962']
    nosy_count = 8.0
    nosy_names = ['twouters', 'benjamin.peterson', 'python-dev', 'bkabrda', 'eryksun', 'uosiu', 'jcristau', 'Carl Dunham']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue25731'
    versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

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      3.10only security fixes3.8 (EOL)end of life3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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