code: def ready(self):
          
          from enterprise.signals import handle_user_post_save
          from django.db.models.signals import pre_migrate, post_save
  
          post_save.connect(handle_user_post_save, sender=self.auth_user_model, dispatch_uid=USER_POST_SAVE_DISPATCH_UID)
          pre_migrate.connect(self._disconnect_user_post_save_for_migrations)
docs: Perform other one-time initialization steps.