Method get_subapp_instance

examples/docs/subcommands.py:15–17

(cls, app: Application)

class SubApp2(Application):
    @classmethod
    def get_subapp_instance(cls, app: Application) -> Application:
        app.clear_instance()  # since Application is singleton, need to clear main app
        return cls.instance(parent=app)  # type: ignore[no-any-return]


class MainApp(Application):