Update src/zmq_anyio/_socket.py

Author: graingert

src/zmq_anyio/_socket.py

@@ -913,9 +913,9 @@ def fileno() -> int:
                     try:
                         await wait_readable(fd)
                     except ClosedResourceError:
-                        tg.cancel_scope.cancel()
                         break
-                    tg.cancel_scope.cancel()
+                    finally:
+                        tg.cancel_scope.cancel()
                 if self.stopped.is_set():
                     break
                 await self._handle_events()