"loc": ["body", "item2"],
                    "msg": "Field required",
                    "input": None,
                }
            ]
        }
    ) | IsDict(
        # TODO: remove when deprecating Pydantic v1
        {
            "detail": [
                {
                    "loc": ["body", "item2"],
                    "msg": "field required",
                    "type": "value_error.missing",

[OkHttp314]: https://square.github.io/okhttp/changelog_3x/#version-310
[OkHttp35]: https://square.github.io/okhttp/changelog_3x/#version-350
[chromium_change]: https://developers.google.com/web/updates/2016/12/chrome-56-deprecations#remove_cbc-mode_ecdsa_ciphers_in_tls
[googlecloud_ssl_policy]: https://cloud.google.com/load-balancing/docs/ssl-policies-concepts
[http2_denylist]: https://tools.ietf.org/html/rfc7540#appendix-A
[http2_naughty]: #http2_naughty

        include = set(include)
    if exclude is not None and not isinstance(exclude, (set, dict)):
        exclude = set(exclude)
    if isinstance(obj, BaseModel):
        # TODO: remove when deprecating Pydantic v1
        encoders: Dict[Any, Any] = {}
        if not PYDANTIC_V2:
            encoders = getattr(obj.__config__, "json_encoders", {})  # type: ignore[attr-defined]
            if custom_encoder:

Daher, wenn Sie keine vergeben, wird **FastAPI** automatisch eine für „Erfolgreiche Response“ erstellen.

///

<img src="/img/tutorial/path-operation-configuration/image03.png">

## Eine *Pfadoperation* deprecaten

Wenn Sie eine *Pfadoperation* als <abbr title="deprecated – obsolet, veraltet: Es soll nicht mehr verwendet werden">deprecated</abbr> kennzeichnen möchten, ohne sie zu entfernen, fügen Sie den Parameter `deprecated` hinzu:

                        "ctx": {"expected": "'created_at' or 'updated_at'"},
                    },
                ]
            }
        )
        | IsDict(
            # TODO: remove when deprecating Pydantic v1
            {
                "detail": [
                    {
                        "type": "value_error.number.not_le",
                        "loc": ["query", "limit"],

                        }
                    },
                },
            }
        },
    }


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
def test_openapi_schema_pv1():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {

                        }
                    },
                },
            }
        },
    }


# TODO: remove when deprecating Pydantic v1
@needs_py310
@needs_pydanticv1
def test_openapi_schema_pv1(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text

    subclass_model = ModelWithCustomEncoderSubclass(dt_field=datetime(2019, 1, 1, 8))
    assert jsonable_encoder(subclass_model) == {"dt_field": "2019-01-01T08:00:00+00:00"}


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
def test_encode_custom_json_encoders_model_pydanticv1():
    class ModelWithCustomEncoder(BaseModel):
        dt_field: datetime

        class Config:

                        }
                    },
                },
            }
        },
    }


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
def test_openapi_schema_pv1():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {

                        }
                    },
                },
            }
        },
    }


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
def test_openapi_schema_pv1(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {