BPO | [20039](https://bugs.python.org/issue20039) --- | :--- Nosy | @nchammas, @rahul-kumi, @ukarroum PRs | python/cpython#31125 *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 = None closed_at = None created_at = labels = ['type-feature', 'docs'] title = 'Missing documentation for argparse.ArgumentTypeError' updated_at = user = 'https://bugs.python.org/arnaut-billings' ``` bugs.python.org fields: ```python activity = actor = 'ukarroum' assignee = 'docs@python' closed = False closed_date = None closer = None components = ['Documentation'] creation = creator = 'arnaut-billings' dependencies = [] files = [] hgrepos = [] issue_num = 20039 keywords = ['patch'] message_count = 5.0 messages = ['206723', '206768', '206783', '327986', '363839'] nosy_count = 7.0 nosy_names = ['bethard', 'docs@python', 'paul.j3', 'arnaut-billings', 'nchammas', 'rahul-kumi', 'ukarroum'] pr_nums = ['31125'] priority = 'normal' resolution = None stage = 'patch review' status = 'open' superseder = None type = 'enhancement' url = 'https://bugs.python.org/issue20039' versions = ['Python 3.3'] ```