# Classes as Dependencies { #classes-as-dependencies }

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

## A `dict` from the previous example { #a-dict-from-the-previous-example }

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

{* ../../docs_src/dependencies/tutorial001_an_py310.py hl[9] *}

<div class="termy">

```console
$ python -m pip install --upgrade pip

---> 100%
```

</div>

/// tip | Dica

Às vezes, você pode receber um erro **`No module named pip`** ao tentar atualizar o pip.

Se isso acontecer, instale e atualize o pip usando o comando abaixo:

<div class="termy">

```console
$ python -m ensurepip --upgrade

---> 100%
```

</div>

	\
	Write-Host 'Removing ...'; \
	Remove-Item C:\tmp\pyinstall.exe -Force; \
	\
	Write-Host 'Complete.';

# Install pip packages.
RUN python -m pip install --ignore-installed --force-reinstall --upgrade \
    setuptools packaging

# Install JDK 21.
RUN \
  Add-Type -AssemblyName \"System.IO.Compression.FileSystem\"; \
  $zulu_pkg = \"zulu21.34.19-ca-jdk21.0.3-win_x64.zip\"; \

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 can...

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 can...

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 can...

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 can...

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 can...

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 can...

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 can...