@receiver(post_delete, sender=User, dispatch_uid='<STR_LIT>')<EOL>def user_created(sender, **kwargs):
write('<STR_LIT>', {'<STR_LIT>': -<NUM_LIT:1>}, tags={'<STR_LIT:action>': '<STR_LIT>'})<EOL>write('<STR_LIT>', {'<STR_LIT>': User.objects.count()})<EOL>
collect metrics about users unsubscribing