text: from django.apps import AppConfig
  from django.dispatch import Signal
  
  from .utilities import send_activation_notification
  
  
  class MainConfig(AppConfig):
      name = 'main'
      verbose_name = 'Доска объвлений'
  
  
  user_registered = Signal(providing_args=['instance'])
  
  def user_registered_dispatcher(sender, **kwargs):
      send_activation_notification(kwargs['instance'])
  
  user_registered.connect(user_registered_dispatcher)
      