fastapi_9425

resolved RESOLVED UNSUBMITTED PASS · None tool calls · 0 s · fastapi/fastapi

Task input

✨  Allow `None` as return type for bodiless responses

Fixes #9424 

If the return annotation of the route function is exactly `"None"`, return `None` for the typed annotation. This allows the status code `204 No Content` to be used.

Tool calls (0)

#	Tool	Arguments	Result
No trace captured.

Patch

--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -254,6 +254,8 @@ def get_typed_annotation(annotation: Any, globalns: Dict[str, Any]) -> Any:
     if isinstance(annotation, str):
         annotation = ForwardRef(annotation)
         annotation = evaluate_forwardref(annotation, globalns, globalns)
+        if annotation is type(None):
+            return None
     return annotation

Test output

show

.                                                                        [100%]
=============================== warnings summary ===============================
../../../../../../../Users/jp/repos/kaggle-gemini-coding-agent-post-training/.envs/overlays/starlette-0.48.0-py3-none-any/starlette/testclient.py:51
  /Users/jp/repos/kaggle-gemini-coding-agent-post-training/.envs/overlays/starlette-0.48.0-py3-none-any/starlette/testclient.py:51: DeprecationWarning: The anyio.abc.BlockingPortal alias is deprecated, use anyio.from_thread.BlockingPortal instead.
    _PortalFactoryType = Callable[[], AbstractContextManager[anyio.abc.BlockingPortal]]

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
1 passed, 1 warning in 0.70s