def allow_migrate(self, db, app_label, model_name=None, **hints):  # type: ignore[no-untyped-def]
        """
        Make sure the analytics app only appears in the 'analytics' database
        """
        if app_label in self.route_app_labels:
            if db != "default":
                return db == "analytics"
        return None

        Make sure the analytics app only appears in the 'analytics' database
        
api/app/routers.py