Use transport.is_closing

encode · May 6, 2024 · 629bd7e · 629bd7e
1 parent 4d23d9b
commit 629bd7e
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/uvicorn/protocols/websockets/websockets_impl.py b/uvicorn/protocols/websockets/websockets_impl.py
@@ -215,10 +215,8 @@ def send_500_response(self) -> None:
             b"\r\n",
             msg,
         ]
-        try:
+        if not self.transport.is_closing():
             self.transport.write(b"".join(content))
-        except RuntimeError:
-            pass
         # Allow handler task to terminate cleanly, as websockets doesn't cancel it by
         # itself (see https://github.com/encode/uvicorn/issues/920)
         self.handshake_started_event.set()