def _flush(self):
        self.stream.flush()
        self._flushed = True
Delete and then add a record to a zone.  identifier and weight are optional.
dataset/ETHPy150Open jupyter/jupyter_client/jupyter_client/threaded.py/ThreadedZMQSocketChannel._flush--crossover with--dataset/ETHPy150Open denizalti/concoord/concoord/route53.py/change_record