tax: Union[float, None] = None


app = FastAPI()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item, q: Union[str, None] = None):
    result = {"item_id": item_id, **item.dict()}
    if q:
        result.update({"q": q})

}
```

/// info

In Pydantic v1 the method was called `.dict()`, it was deprecated (but still supported) in Pydantic v2, and renamed to `.model_dump()`.

The examples here use `.dict()` for compatibility with Pydantic v1, but you should use `.model_dump()` instead if you can use Pydantic v2.

///

/// info

                            <li class="breadcrumb-item"><la:link href="/admin/dict">
                                <la:message key="labels.dict_list_link"/>
                            </la:link></li>
                            <li class="breadcrumb-item"><la:link href="../list/1/?dictId=${f:u(dictId)}">
                                <la:message key="labels.dict_mapping_list_link"/>

                            <li class="breadcrumb-item"><la:link href="/admin/dict">
                                <la:message key="labels.dict_list_link"/>
                            </la:link></li>
                            <li class="breadcrumb-item"><la:link href="../list/1/?dictId=${f:u(dictId)}">
                                <la:message key="labels.dict_synonym_list_link"/>

from typing import Dict, List, Optional

from fastapi import FastAPI
from pydantic import BaseModel, Field
from starlette.testclient import TestClient

app = FastAPI()


class Item(BaseModel):
    name: str = Field(alias="aliased_name")
    price: Optional[float] = None
    owner_ids: Optional[List[int]] = None


@app.get("/items/valid", response_model=Item)
def get_valid():
    return Item(aliased_name="valid", price=1.0)

		if assignBack.Index > 0 {
			reflect.Indirect(assignBack.Dest).Set(fieldValue.Index(assignBack.Index - 1))
		} else {
			reflect.Indirect(assignBack.Dest).Set(fieldValue)
		}
	}
}

func (association *Association) buildCondition() *DB {
	var (

mapreduce.reduce.shuffle.merge.percent=0.9 # Minimum % merges in RAM
mapreduce.reduce.speculative=false # Disable speculation for reducing
mapreduce.task.io.sort.factor=999 # Threshold before writing to disk
mapreduce.task.sort.spill.percent=0.9 # Minimum % before spilling to disk
```

    }

    @Override
    protected List<String> getIdList(final Map<String, Object> body) {
        String response = checkGetMethod(body, getListEndpointSuffix()).asString();
        List<Object> objList = JsonPath.from(response).getList(getJsonPath() + "." + getIdKey());
        List<String> ret = new ArrayList<>();
        for (Object obj : objList) {
            ret.add(obj.toString());

     * @param dest
     *            The destination array in which the user session key will be
     *            placed.
     * @param offset
     *            The offset in the destination array at which the
     *            session key will start.
     * @throws SmbException
     */
    public void getUserSessionKey ( CIFSContext tc, byte[] chlng, byte[] dest, int offset ) throws SmbException {

                            <li class="breadcrumb-item"><la:link href="/admin/dict">
                                <la:message key="labels.dict_list_link"/>
                            </la:link></li>
                            <li class="breadcrumb-item"><la:link href="../list/1/?dictId=${f:u(dictId)}">
                                <la:message key="labels.dict_stemmeroverride_list_link"/>