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

Bitte [aktualisieren Sie FastAPI](../deployment/versions.md#upgrade-der-fastapi-versionen){.internal-link target=_blank} daher mindestens zu Version 0.95.1, bevor Sie `Annotated` verwenden.

///

## Metadaten deklarieren

Sie können die gleichen Parameter deklarieren wie für `Query`.

# Classes as Dependencies

Before diving deeper into the **Dependency Injection** system, let's upgrade the previous example.

## A `dict` from the previous example

In the previous example, we were returning a `dict` from our dependency ("dependable"):

//// tab | Python 3.10+

```Python hl_lines="9"
{!> ../../docs_src/dependencies/tutorial001_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="11"

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

values using the command: ```bash helm get values my-release > old_values.yaml ``` Then change the field `image.tag` in `old_values.yaml` file with MinIO image tag you want to use. Now update the chart using ```bash helm upgrade -f old_values.yaml my-release minio/minio ``` Default upgrade strategies are specified in the `values.yaml` file. Update these fields if you'd like to use a different strategy. Configuration ---------- Refer the [Values file](./values.yaml) for all the possible config fields. You...

### Summary

I used to say I didn't like history that much... and look at me now giving "tech history" lessons. 😅