Avoid popping from empty list

Refs #21
simonw · Aug 15, 2024 · dd7496b · dd7496b
1 parent a18f7d0
commit dd7496b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/asgi_csrf.py b/asgi_csrf.py
@@ -242,7 +242,10 @@ async def _parse_form_urlencoded(receive):
         more_body = message.get("more_body", False)
 
     async def replay_receive():
-        return messages.pop(0)
+        if messages:
+            return messages.pop(0)
+        else:
+            return await receive()
 
     return dict(parse_qsl(body.decode("utf-8"))), replay_receive