return decorator

    @deprecated(
        """
        on_event is deprecated, use lifespan event handlers instead.

        Read more about it in the
        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
        """
    )
    def on_event(
        self,
        event_type: Annotated[
            str,
            Doc(

MotorClient](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), то не забывайте создавать экземпляры объектов, которым нужен цикл событий (event loop), только внутри асинхронных функций, например, в `@app.on_event("startup")` callback.

///...

[MongoDB'nin MotorClient](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop) kullanımı), event loop gerektiren nesneleri yalnızca async fonksiyonların içinde oluşturmanız gerektiğini unutmayın; örneğin bir `@app.on_event("startup")` callback'i içinde.

///...

            self.on_shutdown.append(func)

    @deprecated(
        """
        on_event is deprecated, use lifespan event handlers instead.

        Read more about it in the
        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
        """
    )
    def on_event(
        self,
        event_type: Annotated[
            str,
            Doc(

[MongoDBs MotorClient](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), dann denken Sie daran, Objekte zu instanziieren, die einen Event Loop nur innerhalb asynchroner Funktionen benötigen, z. B. einen `@app.on_event("startup")`-Callback.

///...

your tests (e.g. when using [MongoDB's MotorClient](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), remember to instantiate objects that need an event loop only within async functions, e.g. an `@app.on_event("startup")` callback.

///...

[MotorClient de MongoDB](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), recuerda crear instances de objetos que necesiten un loop de eventos solo dentro de funciones async, por ejemplo, en un callback `@app.on_event("startup")`.

///...

MongoDB](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), n'oubliez pas d'instancier les objets qui ont besoin d'une boucle d'événements uniquement dans des fonctions async, par exemple dans un callback `@app.on_event("startup")`.

///...

[MongoDB's MotorClient](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)), пам'ятайте створювати об'єкти, яким потрібен цикл подій, лише всередині асинхронних функцій, наприклад, у зворотному виклику `@app.on_event("startup")`.

///...

[MotorClient do MongoDB](https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop)) Lembre-se de instanciar objetos que precisam de um loop de eventos (*event loop*) apenas em funções assíncronas, e.g. um callback `@app.on_event("startup")`.

///...