class DashboardConfig(AppConfig):
    name = 'dashboard'

    def ready(self):
        User = self.get_model(User)
        Location = self.get_model(Location)

        @receiver(post_save, sender=User, weak=False, dispatch_uid="on_user_created")
        def create_child(sender, instance, created, **kwargs):
            if created:
                Location.objects.get_or_create(user=instance)