and not is_union_of_base_models(first_field.type_)
    ):
        return True
    return False


async def _extract_form_body(
    body_fields: list[ModelField],
    received_body: FormData,
) -> dict[str, Any]:
    values = {}

    for field in body_fields:
        value = _get_multidict_value(field, received_body)
        field_info = field.field_info
        if (

        "tutorial001_an_py39",
        pytest.param("tutorial001_an_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.body_fields.{request.param}")

    client = TestClient(mod.app)
    return client


def test_items_5(client: TestClient):
    response = client.put("/items/5", json={"item": {"name": "Foo", "price": 3.0}})

def get_openapi_operation_request_body(
    *,
    body_field: Optional[ModelField],
    model_name_map: ModelNameMap,
    field_mapping: dict[
        tuple[ModelField, Literal["validation", "serialization"]], dict[str, Any]
    ],
    separate_input_output_schemas: bool = True,
) -> Optional[dict[str, Any]]:
    if not body_field:
        return None
    assert isinstance(body_field, ModelField)

) -> Callable[[Request], Coroutine[Any, Any, Response]]:
    assert dependant.call is not None, "dependant.call must be a function"
    is_coroutine = dependant.is_coroutine_callable
    is_body_form = body_field and isinstance(body_field.field_info, params.Form)
    if isinstance(response_class, DefaultPlaceholder):
        actual_response_class: type[Response] = response_class.value
    else:
        actual_response_class = response_class

* ✅ Simplify tests for body_multiple_params. PR [#13170](https://github.com/fastapi/fastapi/pull/13170) by [@alejsdev](https://github.com/alejsdev).
* ✅ Simplify tests for body_fields. PR [#13169](https://github.com/fastapi/fastapi/pull/13169) by [@alejsdev](https://github.com/alejsdev).
* ✅ Simplify tests for body. PR [#13168](https://github.com/fastapi/fastapi/pull/13168) by [@alejsdev](https://github.com/alejsdev).