remove TransportClosed except in subscribe

Author: leszekhanusz

gql/transport/phoenix_channel_websockets.py

@@ -368,7 +368,7 @@ async def _handle_answer(
         else:
             await super()._handle_answer(answer_type, answer_id, execution_result)
 
-    def _remove_listener(self, query_id) -> None:
+    def _remove_listener(self, query_id: int) -> None:
         """If the listener was a subscription, remove that information."""
         try:
             subscription_id = self._find_existing_subscription(query_id)

gql/transport/websockets.py

@@ -502,7 +502,7 @@ async def subscribe(
                     )
                     break
 
-        except (asyncio.CancelledError, GeneratorExit, TransportClosed) as e:
+        except (asyncio.CancelledError, GeneratorExit) as e:
             log.debug(f"Exception in subscribe: {e!r}")
             if listener.send_stop:
                 await self._send_stop_message(query_id)