From 81ea988f9d4abda7980bf2dfd8cac94f05ff0853 Mon Sep 17 00:00:00 2001
From: Jan Vollmer <jan@vllmr.dev>
Date: Sat, 7 Sep 2024 00:15:20 +0200
Subject: [PATCH] recover lost status code check

---
 fastapi/routing.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fastapi/routing.py b/fastapi/routing.py
index e5062979c..e8c1ebd7a 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -505,6 +505,10 @@ class APIRoute(routing.Route):
         if isinstance(status_code, IntEnum):
             status_code = int(status_code)
         self.status_code = status_code
+        if self.response_model:
+            assert is_body_allowed_for_status_code(
+                status_code
+            ), f"Status code {status_code} must not have a response body"
         self.dependencies = list(dependencies or [])
         self.description = description or inspect.cleandoc(self.endpoint.__doc__ or "")
         # if a "form feed" character (page break) is found in the description text,