assignee=Noneclosed_at=Nonecreated_at=<Date2020-01-25.15:17:41.679>labels= ['type-bug','3.7','expert-unicode']title="when\\\\u in byte_string ,byte_string.decode('raw_unicode_escape') maybe has problem"updated_at=<Date2020-01-25.15:36:04.565>user='https://bugs.python.org/yayiba1223'

activity=<Date2020-01-25.15:36:04.565>actor='SilentGhost'assignee='none'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['Unicode']creation=<Date2020-01-25.15:17:41.679>creator='yayiba1223'dependencies= []files= []hgrepos= []issue_num=39454keywords= []message_count=2.0messages= ['360691','360692']nosy_count=4.0nosy_names= ['vstinner','ezio.melotti','SilentGhost','yayiba1223']pr_nums= []priority='normal'resolution=Nonestage=Nonestatus='pending'superseder=Nonetype='behavior'url='https://bugs.python.org/issue39454'versions= ['Python 3.7']