/// tip | Consejo

El "MINOR" es el número en el medio, por ejemplo, en `0.2.3`, la versión MINOR es `2`.

///

## Actualizando las versiones de FastAPI { #upgrading-the-fastapi-versions }

Deberías añadir tests para tu aplicación.

Con **FastAPI** es muy fácil (gracias a Starlette), revisa la documentación: [Testing](../tutorial/testing.md){.internal-link target=_blank}

If you have an older version, you would get errors when trying to use `Annotated`.

Make sure you [Upgrade the FastAPI version](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} to at least 0.95.1 before using `Annotated`.

///

## Declare metadata { #declare-metadata }

You can declare all the same parameters as for `Query`.

Если вы используете более старую версию, вы столкнётесь с ошибками при попытке использовать `Annotated`.

Убедитесь, что вы [обновили версию FastAPI](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} как минимум до 0.95.1 перед тем, как использовать `Annotated`.

///

## Определите метаданные { #declare-metadata }

    # see https://trio.readthedocs.io/en/stable/history.html#trio-0-22-0-2022-09-28
    "ignore:You seem to already have a custom.*:RuntimeWarning:trio",
    # TODO: remove after upgrading SQLAlchemy to a version that includes the following changes
    # https://github.com/sqlalchemy/sqlalchemy/commit/59521abcc0676e936b31a523bd968fc157fef0c2

Si tienes una versión anterior, obtendrás errores al intentar usar `Annotated`.

Asegúrate de [Actualizar la versión de FastAPI](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} a al menos la 0.95.1 antes de usar `Annotated`.

///

## Declarar metadatos { #declare-metadata }

Puedes declarar todos los mismos parámetros que para `Query`.

Wenn Sie eine ältere Version haben, würden Fehler angezeigt werden, wenn Sie versuchen, `Annotated` zu verwenden.

Stellen Sie sicher, dass Sie [FastAPI aktualisieren](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank}, auf mindestens Version 0.95.1, bevor Sie `Annotated` verwenden.

///

## Metadaten deklarieren { #declare-metadata }

Se você tiver uma versão mais antiga, verá erros ao tentar usar `Annotated`.

Certifique-se de [Atualizar a versão do FastAPI](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} para pelo menos 0.95.1 antes de usar `Annotated`.

///

## Declare metadados { #declare-metadata }

Você pode declarar todos os mesmos parâmetros que em `Query`.

Si tienes una versión anterior, obtendrás errores al intentar usar `Annotated`.

Asegúrate de [Actualizar la versión de FastAPI](../../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} al menos a la 0.95.1 antes de usar `Annotated`.

///

### Importar `Depends` { #import-depends }

{* ../../docs_src/dependencies/tutorial001_an_py310.py hl[3] *}

///

If you are using `pip` to install packages (it comes by default with Python), you should **upgrade** it to the latest version.

Many exotic errors while installing a package are solved by just upgrading `pip` first.

/// tip

You would normally do this **once**, right after you create the virtual environment.

///

Make sure the virtual environment is active (with the command above) and then run:

If you have an older version, you would get errors when trying to use `Annotated`.

Make sure you [Upgrade the FastAPI version](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} to at least 0.95.1 before using `Annotated`.

///

## Use `Annotated` in the type for the `q` parameter { #use-annotated-in-the-type-for-the-q-parameter }