response_model=Item,
    responses={
        200: {
            "content": {"image/png": {}},
            "description": "Return the JSON item or an image.",
        }
    },
)
async def read_item(item_id: str, img: Union[bool, None] = None):
    if img:
        return FileResponse("image.png", media_type="image/png")
    else:

 * the final model of the project being assembled. There is no
 * overriding going on amongst the models being used in this test:
 * each model in the lineage is providing a value that is not present
 * anywhere else in the lineage. We are just making sure that values
 * down in the lineage are bubbling up where they should.
 *
 */
@Deprecated
@SuppressWarnings("checkstyle:UnusedLocalVariable")

				"chemical/x-xyz",
				"image/x-ms-bmp",
				"image/cgm",
				"image/example",
				"image/fits",
				"image/g3fax",
				"image/gif",
				"image/ief",
				"image/jp2",
				"image/jpeg",
				"image/jpm",
				"image/jpx",
				"image/naplps",
				"image/nitf",
				"image/png",
				"image/prs.btif",
				"image/prs.pti",
				"image/svg+xml",
				"image/t38",

 * the final model of the project being assembled. There is no
 * overriding going on amongst the models being used in this test:
 * each model in the lineage is providing a value that is not present
 * anywhere else in the lineage. We are just making sure that values
 * down in the lineage are bubbling up where they should.
 *
 */
@Deprecated
class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {

  private static final String IMGUR_CLIENT_ID = "9199fdef135c122";
  private static final MediaType MEDIA_TYPE_PNG = MediaType.get("image/png");

  private final OkHttpClient client = new OkHttpClient();

  public void run() throws Exception {
    // Use the imgur image upload API as documented at https://api.imgur.com/endpoints/image
    RequestBody requestBody = new MultipartBody.Builder()
        .setType(MultipartBody.FORM)

 * the final model of the project being assembled. There is no
 * overriding going on amongst the models being used in this test:
 * each model in the lineage is providing a value that is not present
 * anywhere else in the lineage. We are just making sure that values
 * down in the lineage are bubbling up where they should.
 *
 */
@Deprecated
@SuppressWarnings("checkstyle:UnusedLocalVariable")

    runs-on: ubuntu-latest

    services:
      openldap:
        image: quay.io/minio/openldap
        ports:
          - "389:389"
          - "636:636"
        env:
          LDAP_ORGANIZATION: "MinIO Inc"
          LDAP_DOMAIN: "min.io"
          LDAP_ADMIN_PASSWORD: "admin"
      etcd:
        image: "quay.io/coreos/etcd:v3.5.1"
        env:
          ETCD_LISTEN_CLIENT_URLS: "http://0.0.0.0:2379"

 *     public Collection<Lifecycle> provides() {
 *         return Collections.singleton(
 *             lifecycle("deploy-docker", Arrays.asList(
 *                 "build-image",
 *                 "tag-image",
 *                 "push-image"
 *             ))
 *         );
 *     }
 * }
 * </pre>
 *
 * @see org.apache.maven.api.Lifecycle
 * @see org.apache.maven.api.spi.ExtensibleEnumProvider
 * @since 4.0.0

            }
        }
    }

    private void assembleInheritance(
            List<ModelData> lineage, ModelBuildingRequest request, ModelProblemCollector problems) {
        for (int i = lineage.size() - 2; i >= 0; i--) {
            Model parent = lineage.get(i + 1).getModel();
            Model child = lineage.get(i).getModel();
            inheritanceAssembler.assembleModelInheritance(child, parent, request, problems);
        }

from fastapi import FastAPI
from pydantic import BaseModel, HttpUrl

app = FastAPI()


class Image(BaseModel):
    url: HttpUrl
    name: str


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: set[str] = set()
    image: Image | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):