![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Example upgrade

Now modify the file `main.py` to receive a body from a `PUT` request.

Declare the body using standard Python types, thanks to Pydantic.

```Python hl_lines="2  7-10 23-25"
from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float

Indicates STS API version information, the only supported value is '2011-06-15'.  This value is borrowed from AWS STS API documentation for compatibility reasons.

| Params     | Value    |
| :--        | :--      |
| *Type*     | *String* |
| *Required* | *Yes*    |

### DurationSeconds

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item = Body(embed=True)):
    results = {"item_id": item_id, "item": item}

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: list[str] = []


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):
    results = {"item_id": item_id, "item": item}

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: set[str] = set()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):
    results = {"item_id": item_id, "item": item}

        .plus(Integer::class, 5 as Integer)
    assertThat(tags[String::class]).isEqualTo("hello")
    assertThat(tags[Integer::class]).isEqualTo(5)
  }

  /** The implementation retains no nodes from the original linked list. */
  @Test
  fun replaceFirstElement() {
    val tags =
      EmptyTags
        .plus(String::class, "a")
        .plus(Integer::class, 5 as Integer)
        .plus(Boolean::class, true)

     * Creates a Type-2 message using default values from the current
     * environment.
     *
     * @param tc
     *            context to use
     */
    public Type2Message(final CIFSContext tc) {
        this(tc, getDefaultFlags(tc), null, null);
    }

    /**
     * Creates a Type-2 message in response to the given Type-1 message
     * using default values from the current environment.
     *
     * @param tc

package notify

import (
	"fmt"
	"strconv"
	"strings"

	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/event/target"
)

// SetNotifyKafka - helper for config migration from older config.
func SetNotifyKafka(s config.Config, name string, cfg target.KafkaArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

  @Deprecated
  public static <V extends @Nullable Object> FluentFuture<V> from(FluentFuture<V> future) {
    return checkNotNull(future);
  }

  /**
   * Returns a {@code Future} whose result is taken from this {@code Future} or, if this {@code
   * Future} fails with the given {@code exceptionType}, from the result provided by the {@code

    // Owner is subclassed
    assertHasTypeVariable(new From<Integer>() {}.new To<String>().type());
    assertHasTypeVariable(new From<T>() {}.new To<String>().type());

    // Inner is subclassed
    assertNoTypeVariable(new From<Integer>().new To<String>() {}.type());
    assertHasTypeVariable(new From<Integer>().new To<T>() {}.type());