assignee=Noneclosed_at=Nonecreated_at=<Date2013-01-16.02:30:07.460>labels= ['type-bug','library','3.9','3.10','3.11']title='argparse: mismatch between choices parsing and usage/error message'updated_at=<Date2021-12-10.15:38:13.260>user='https://github.com/cjerdonek'

activity=<Date2021-12-10.15:38:13.260>actor='iritkatriel'assignee='none'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['Library (Lib)']creation=<Date2013-01-16.02:30:07.460>creator='chris.jerdonek'dependencies= []files= ['28769']hgrepos= []issue_num=16977keywords= ['patch']message_count=13.0messages= ['180068','180069','180136','180153','180187','180197','180208','180216','180218','192254','192295','192715','408213']nosy_count=5.0nosy_names= ['eric.smith','chris.jerdonek','paul.j3','jeffknupp','iritkatriel']pr_nums= []priority='normal'resolution=Nonestage='test needed'status='open'superseder=Nonetype='behavior'url='https://bugs.python.org/issue16977'versions= ['Python 3.9','Python 3.10','Python 3.11']