},
                },
                "Item": {
                    "title": "Item",
                    "required": ["name", "price"],
                    "type": "object",
                    "properties": {
                        "name": {"title": "Name", "type": "string"},
                        "description": IsDict(
                            {
                                "title": "Description",

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: float = 10.5


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The Bar fighters", "price": 62, "tax": 20.2},
    "baz": {
        "name": "Baz",
        "description": "There goes my baz",
        "price": 50.2,

        return None
    else:
        return {"name": "invalid", "price": 3.2}


@app.get("/items/innerinvalid", response_model=Item)
def get_innerinvalid():
    return {"name": "double invalid", "price": "foo", "owner_ids": ["foo", "bar"]}


@app.get("/items/invalidlist", response_model=List[Item])
def get_invalidlist():
    return [
        {"name": "foo"},
        {"name": "bar", "price": "bar"},

                    },
                },
                "Item": {
                    "title": "Item",
                    "required": ["name", "price"],
                    "type": "object",
                    "properties": {
                        "name": {"title": "Name", "type": "string"},
                        "description": IsDict(
                            {
                                "title": "Description",

@needs_py310
def test_create(client: TestClient):
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

@needs_py39
def test_create(client: TestClient):
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

                        "name": {"type": "string", "title": "Name"},
                        "description": {"type": "string", "title": "Description"},
                        "price": {"type": "number", "title": "Price"},
                        "tax": {"type": "number", "title": "Tax"},
                    },
                    "type": "object",
                    "required": ["name", "price"],
                    "title": "Item",

                            "name": {
                                "title": "Name",
                                "anyOf": [{"type": "string"}, {"type": "null"}],
                            }
                        }
                    )
                    | IsDict(
                        # TODO: remove when deprecating Pydantic v1
                        {"name": {"title": "Name", "type": "string"}}
                    ),

                    },
                },
                "Product": {
                    "title": "Product",
                    "required": ["name", "price"],
                    "type": "object",
                    "properties": {
                        "name": {"title": "Name", "type": "string"},
                        "price": {"title": "Price", "type": "number"},
                    },
                },

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,
    item: Annotated[
        Item,
        Body(
            examples=[
                {
                    "name": "Foo",
                    "description": "A very nice Item",