assignee=Noneclosed_at=Nonecreated_at=<Date2022-04-04.21:03:28.457>labels= ['type-feature','library','3.9','3.10','3.11']title='Document the optional callback parameter of weakref.WeakMethod'updated_at=<Date2022-04-05.05:34:31.580>user='https://github.com/maggyero'

activity=<Date2022-04-05.05:34:31.580>actor='rhettinger'assignee='none'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['Library (Lib)']creation=<Date2022-04-04.21:03:28.457>creator='maggyero'dependencies= []files= []hgrepos= []issue_num=47220keywords= []message_count=2.0messages= ['416697','416753']nosy_count=3.0nosy_names= ['rhettinger','pitrou','maggyero']pr_nums= ['25491']priority='normal'resolution=Nonestage=Nonestatus='open'superseder=Nonetype='enhancement'url='https://bugs.python.org/issue47220'versions= ['Python 3.9','Python 3.10','Python 3.11']