old_contents: from django.dispatch import Signal
  
  # signal sent when a user successfully recovers his/her password
  user_recovers_password = Signal(
      providing_args=['user', 'request']
  )
  
new_contents: from django.dispatch import Signal
  
  # signal sent when users successfully recover their passwords
  user_recovers_password = Signal(
      providing_args=['request']
  )
  
subject: Update signals.py