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defaultdict raises SystemError, __missing__ returned NULL in thread #74658

@PeterParente

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@PeterParente
BPO 30473
Nosy @vstinner, @serhiy-storchaka, @zhangyangyu, @mlouielu
Superseder
  • bpo-30524: iter(classmethod, sentinel) broken for Argument Clinic class methods?
  • 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 = 'https://github.com/vstinner'
    closed_at = <Date 2017-06-20.20:34:13.205>
    created_at = <Date 2017-05-25.12:21:49.767>
    labels = ['interpreter-core', 'type-crash']
    title = 'defaultdict raises SystemError, __missing__ returned NULL in thread'
    updated_at = <Date 2017-07-01.22:25:16.704>
    user = 'https://bugs.python.org/PeterParente'

    bugs.python.org fields:

    activity = <Date 2017-07-01.22:25:16.704>
    actor = 'vstinner'
    assignee = 'vstinner'
    closed = True
    closed_date = <Date 2017-06-20.20:34:13.205>
    closer = 'vstinner'
    components = ['Interpreter Core']
    creation = <Date 2017-05-25.12:21:49.767>
    creator = 'Peter Parente'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 30473
    keywords = []
    message_count = 10.0
    messages = ['294473', '294477', '294482', '294484', '294497', '294504', '296485', '296487', '297466', '297498']
    nosy_count = 5.0
    nosy_names = ['vstinner', 'serhiy.storchaka', 'xiang.zhang', 'louielu', 'Peter Parente']
    pr_nums = []
    priority = 'critical'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '30524'
    type = 'crash'
    url = 'https://bugs.python.org/issue30473'
    versions = ['Python 3.6']

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    interpreter-core(Objects, Python, Grammar, and Parser dirs)type-crashA hard crash of the interpreter, possibly with a core dump

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