import mockwebserver3.MockWebServer
import mockwebserver3.internal.duplex.MockStreamHandler
import okhttp3.Credentials.basic
import okhttp3.Headers.Companion.headersOf
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.internal.RecordingOkAuthenticator
import okhttp3.internal.duplex.AsyncRequestBody
import okhttp3.testing.PlatformRule
import okio.BufferedSink

        use_cache=depends.use_cache,
    )
    if security_requirement:
        sub_dependant.security_requirements.append(security_requirement)
    return sub_dependant


CacheKey = Tuple[Optional[Callable[..., Any]], Tuple[str, ...]]


def get_flat_dependant(
    dependant: Dependant,
    *,
    skip_repeats: bool = False,
    visited: Optional[List[CacheKey]] = None,
) -> Dependant:

def post_form_param_list(items: list = Form()):
    return items


@app.post("/form/python-set")
def post_form_param_set(items: set = Form()):
    return items


@app.post("/form/python-tuple")
def post_form_param_tuple(items: tuple = Form()):
    return items


client = TestClient(app)


def test_python_list_param_as_form():
    response = client.post(

   * bodies may only be used with HTTP/2. Calls to HTTP/1 servers will fail before the HTTP request
   * is transmitted. If you cannot ensure that your client and server both support HTTP/2, do not
   * use this feature.
   *
   * ### Duplex APIs
   *
   * With regular request bodies it is not legal to write bytes to the sink passed to

from typing import Optional, Tuple


def get_authorization_scheme_param(
    authorization_header_value: Optional[str],
) -> Tuple[str, str]:
    if not authorization_header_value:
        return "", ""
    scheme, _, param = authorization_header_value.partition(" ")

@needs_py310
def test_typing():
    types = {
        list[int]: [1, 2, 3],
        dict[str, list[int]]: {"a": [1, 2, 3], "b": [4, 5, 6]},
        set[int]: [1, 2, 3],  # `set` is converted to `list`
        tuple[int, ...]: [1, 2, 3],  # `tuple` is converted to `list`
    }
    for test_type, expect in types.items():
        app = FastAPI()

        @app.post("/", response_model=test_type)
        def post_endpoint(input: test_type):

from typing import List, Tuple

from fastapi import Depends, FastAPI, Security
from fastapi.security import SecurityScopes
from fastapi.testclient import TestClient

app = FastAPI()


def get_user(required_scopes: SecurityScopes):
    return "john", required_scopes.scopes


def get_user_override(required_scopes: SecurityScopes):
    return "alice", required_scopes.scopes


def get_data():
    return [1, 2, 3]

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package mockwebserver3.internal.duplex

import mockwebserver3.Stream
import okhttp3.internal.http2.ErrorCode
import okhttp3.internal.http2.Http2Stream
import okio.buffer

/** Adapt OkHttp's internal [Http2Stream] type to the public [Stream] type. */

Observe que a variável `item` é um dos elementos da lista `items`.

E, ainda assim, o editor sabe que é um `str` e fornece suporte para isso.

#### Tuple e Set

Você faria o mesmo para declarar `tuple`s e `set`s:

//// tab | Python 3.9+

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial007_py39.py!}
```

////

//// tab | Python 3.8+

from typing import Dict, List, Optional, Tuple

import pytest
from fastapi import FastAPI, Query
from pydantic import BaseModel


def test_invalid_sequence():
    with pytest.raises(AssertionError):
        app = FastAPI()

        class Item(BaseModel):
            title: str

        @app.get("/items/")
        def read_items(q: List[Item] = Query(default=None)):
            pass  # pragma: no cover