assignee=Noneclosed_at=Nonecreated_at=<Date2020-01-27.18:14:11.742>labels= ['type-feature','library','3.9']title='Allow to deprecate CLI arguments in argparse'updated_at=<Date2020-03-03.12:57:11.058>user='https://github.com/4383'

activity=<Date2020-03-03.12:57:11.058>actor='4383'assignee='none'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['Library (Lib)']creation=<Date2020-01-27.18:14:11.742>creator='4383'dependencies= []files= []hgrepos= []issue_num=39467keywords= ['patch']message_count=6.0messages= ['360786','360827','360861','361155','361158','363256']nosy_count=6.0nosy_names= ['rhettinger','djarb','paul.j3','serhiy.storchaka','4383','shihai1991']pr_nums= ['18208']priority='normal'resolution=Nonestage='patch review'status='open'superseder=Nonetype='enhancement'url='https://bugs.python.org/issue39467'versions= ['Python 3.9']