assert response.json() == {
        "detail": [
            {
                "type": "model_attributes_type",
                "loc": ["body"],
                "msg": "Input should be a valid dictionary or object to extract fields from",
                "input": "name=Foo&price=50.5",
            }
        ]
    }


def test_explicit_content_type(client: TestClient):
    response = client.post(
        "/items/",

    params_to_process: dict[str, Any] = {}

    processed_keys = set()

    for field in fields_to_extract:
        alias = None
        if isinstance(received_params, Headers):
            # Handle fields extracted from a Pydantic Model for a header, each field
            # doesn't have a FieldInfo of type Header with the default convert_underscores=True
            convert_underscores = getattr(

        description: Annotated[
            Optional[str],
            Doc(
                """
                A description for the *path operation*.

                If not provided, it will be extracted automatically from the docstring
                of the *path operation function*.

                It can contain Markdown.

                It will be added to the generated OpenAPI (e.g. visible at `/docs`).

            """
        ),
    ] = _Unset,
    alias: Annotated[
        Optional[str],
        Doc(
            """
            An alternative name for the parameter field.

            This will be used to extract the data and for the generated OpenAPI.
            It is particularly useful when you can't use the name you want because it
            is a Python reserved keyword or similar.
            """
        ),
    ] = None,

                status_code = str(route.status_code)
            else:
                # It would probably make more sense for all response classes to have an
                # explicit default status_code, and to extract it from them, instead of
                # doing this inspection tricks, that would probably be in the future
                # TODO: probably make status_code a default class attribute for all

* Fix broken link in docs about OAuth 2.0 with scopes. PR [#275](https://github.com/tiangolo/fastapi/pull/275) by [@dmontagu](https://github.com/dmontagu).

* Refactor param extraction using Pydantic `Field`:
    * Large refactor, improvement, and simplification of param extraction from *path operations*.