以下のようなテキスト版を取得します:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

#### `RequestValidationError`と`ValidationError`

!!! warning "注意"
    これらは今のあなたにとって重要でない場合は省略しても良い技術的な詳細です。

`RequestValidationError`はPydanticの<a href="https://docs.pydantic.dev/latest/concepts/models/#error-handling" class="external-link" target="_blank">`ValidationError`</a>のサブクラスです。

        scheme: str,
        scheme_name: Optional[str] = None,
        description: Optional[str] = None,
        auto_error: bool = True,
    ):
        self.model = HTTPBaseModel(scheme=scheme, description=description)
        self.scheme_name = scheme_name or self.__class__.__name__
        self.auto_error = auto_error

    async def __call__(
        self, request: Request
    ) -> Optional[HTTPAuthorizationCredentials]:

            ),
        ] = None,
        auto_error: Annotated[
            bool,
            Doc(
                """
                By default, if no HTTP Authorization header is provided, required for
                OAuth2 authentication, it will automatically cancel the request and
                send the client an error.

                If `auto_error` is set to `False`, when the HTTP Authorization header

                    "loc": ["body", "name"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
                {
                    "loc": ["body", "price"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
            ]
        }
    )


def test_post_with_none(client: TestClient):

                    "loc": ["body", "name"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
                {
                    "loc": ["body", "price"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
            ]
        }
    )


@needs_py310

                    "loc": ["query", "token"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
                {
                    "loc": ["header", "x-token"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
            ]
        }
    )

                    "loc": ["query", "token"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
                {
                    "loc": ["header", "x-token"],
                    "msg": "field required",
                    "type": "value_error.missing",
                },
            ]
        }
    )


@needs_py39

        {
            "detail": [
                {
                    "loc": ["query", "query"],
                    "msg": "field required",
                    "type": "value_error.missing",
                }
            ]
        }
    )


def test_query_query_baz():
    response = client.get("/query?query=baz")
    assert response.status_code == 200

                                }
                            },
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

                                }
                            },
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {