From 151bf3e3dc70bd7afe223976c495f5c3dfd6bcda Mon Sep 17 00:00:00 2001
From: matiuszka <nowak.mateusz@hotmail.com>
Date: Mon, 9 Jan 2023 11:39:07 +0100
Subject: [PATCH] Fix `NoneType` return type for 204 endpoints

---
 fastapi/dependencies/utils.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
index 32e171f188..f68fcf7496 100644
--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -276,7 +276,12 @@ def get_typed_return_annotation(call: Callable[..., Any]) -> Any:
         return None
 
     globalns = getattr(call, "__globals__", {})
-    return get_typed_annotation(annotation, globalns)
+    typed_annotation = get_typed_annotation(annotation, globalns)
+
+    if typed_annotation is type(None):
+        return None
+
+    return typed_annotation
 
 
 def get_dependant(