assignee = None closed_at = None created_at = <Date 2013-09-06.09:00:02.098> labels = ['3.7', 'type-bug', 'library'] title = 'argparse: default args in mutually exclusive groups' updated_at = <Date 2020-12-05.07:19:06.915> user = 'https://github.com/arigo'

activity = <Date 2020-12-05.07:19:06.915> actor = 'rhettinger' assignee = 'none' closed = False closed_date = None closer = None components = ['Library (Lib)'] creation = <Date 2013-09-06.09:00:02.098> creator = 'arigo' dependencies = [] files = ['31626', '31704'] hgrepos = [] issue_num = 18943 keywords = ['patch'] message_count = 24.0 messages = ['197058', '197121', '197128', '197141', '197161', '197225', '197275', '197290', '197295', '197336', '197350', '197414', '197427', '211229', '212693', '292305', '292313', '293931', '299355', '307710', '307758', '307760', '307762', '307852'] nosy_count = 7.0 nosy_names = ['rhettinger', 'pitrou', 'bethard', 'paul.j3', 'wolma', 'louielu', 'talkless'] pr_nums = [] priority = 'normal' resolution = None stage = 'patch review' status = 'open' superseder = None type = 'behavior' url = 'https://bugs.python.org/issue18943' versions = ['Python 2.7', 'Python 3.5', 'Python 3.7']