def _set_keyspace_completed(self, errors):
        if not errors:
            self._set_final_result(None)
        else:
            self._set_final_exception(ConnectionException(
                (errors,) % "Failed to set keyspace on all hosts: %s"))
dataset/ETHPy150Open datastax/python-driver/cassandra/cluster.py/ResponseFuture._set_keyspace_completed/swapped operands of `%`