def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

<details markdown="1">
<summary>Ou utilisez <code>async def</code> ...</summary>

Si votre code utilise `async` / `await`, utilisez `async def` :

```Python hl_lines="9  14"
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
async def read_root():

package org.apache.maven.plugin; public abstract synchronized class AbstractMojo implements Mojo, ContextEnabled { private logging.Log log; private java.util.Map pluginContext; public void AbstractMojo(); public void setLog(logging.Log); public logging.Log getLog(); public java.util.Map getPluginContext(); public void setPluginContext(java.util.Map); } org/apache/maven/plugin/AbstractMojoExecutio.class package org.apache.maven.plugin; public abstract synchronized class AbstractMojoExecutio extends...

      </replaceConfiguration>

    Given a const min, max, num_bits and narrow_range attribute, applies the
    same uniform quantization simulation as is done by the TensorFlow
    fake_quant_with_min_max_args op. See the fakeQuantAttrsToType() utility
    method and the quant-convert-simulated-quantization pass for further details.
  }];

  let arguments = (ins
    F32Tensor:$inputs,
    F32Attr:$min,
    F32Attr:$max,

	"k8s.io/kubernetes/pkg/features"
	kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
	kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
	utilfs "k8s.io/kubernetes/pkg/util/filesystem"
	utiltaints "k8s.io/kubernetes/pkg/util/taints"
	"k8s.io/utils/cpuset"
)

var (
	defaultCFSQuota = metav1.Duration{Duration: 100 * time.Millisecond}
)

// ValidateKubeletConfiguration validates `kc` and returns an error if it is invalid

	"k8s.io/apimachinery/pkg/util/sets"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
	"k8s.io/klog/v2"
	"k8s.io/kubernetes/pkg/features"
	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
	utilstore "k8s.io/kubernetes/pkg/kubelet/util/store"
	"k8s.io/kubernetes/pkg/registry/core/service/allocator"
	utilfs "k8s.io/kubernetes/pkg/util/filesystem"
)

    And be compatible with all of them at the same time.

Create a utility function to hash a password coming from the user.

And another utility to verify if a received password matches the hash stored.

And another one to authenticate and return a user.

=== "Python 3.10+"

        return visitor(data_.capsule);
      case NONE:
        return visitor(impl::None::GetInstance());
    }
  }

 private:
  /// @brief A utility class for mapping C++ types to Type values.
  template <typename T>
  struct EnumValueOf;

  /// @brief A utility class for accessing the `Data` union members.
  template <typename T>
  struct UnionAccess;

        mainPom.scopes.compile.expectDependency('my.org:util:1.0')

        def utilPom = mavenRepo.module('my.org', 'util', '1.0').parsedPom
        utilPom.scopes.compile.expectDependency('org.gradle:dep:1.1')
    }

    @Issue("GRADLE-2945")
    def "maven-publish plugin adds excludes to pom"() {

        given:
        mavenRepo.module("org.gradle", "pom-excludes", "0.1").publish()

	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/apimachinery/pkg/util/wait"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	coreinformers "k8s.io/client-go/informers/core/v1"
	clientset "k8s.io/client-go/kubernetes"
	corelisters "k8s.io/client-go/listers/core/v1"
	"k8s.io/client-go/tools/cache"
	"k8s.io/client-go/util/workqueue"
	"k8s.io/klog/v2"