assignee=Noneclosed_at=Nonecreated_at=<Date2021-03-21.06:53:15.574>labels= ['type-bug','3.9','expert-asyncio']title='With asyncio subprocess, send_signal() and the child process watcher will both call waitpid()'updated_at=<Date2021-03-21.06:53:15.574>user='https://github.com/lincheney'

activity=<Date2021-03-21.06:53:15.574>actor='lincheney'assignee='none'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['asyncio']creation=<Date2021-03-21.06:53:15.574>creator='lincheney'dependencies= []files= []hgrepos= []issue_num=43578keywords= []message_count=1.0messages= ['389218']nosy_count=3.0nosy_names= ['asvetlov','yselivanov','lincheney']pr_nums= []priority='normal'resolution=Nonestage=Nonestatus='open'superseder=Nonetype='behavior'url='https://bugs.python.org/issue43578'versions= ['Python 3.9']