Removes stale cardinalities_task internal attribute on composing strategy.
@@ -172,7 +172,6 @@ class FederatedComposingStrategy(federating_executor.FederatingStrategy):
py_typecheck.check_type(e, executor_base.Executor)
self._server_executor = server_executor
self._target_executors = target_executors
- self._cardinalities_task = None
def close(self):
self._server_executor.close()
