def is_orphan_lock(self, tx_lockpath):
    try: 
      self.handle.get(tx_lockpath)
      return False
    except kazoo.exceptions.NoNodeError:
      return True
Writes the given envelope to storage, along with the timestamp of
dataset/ETHPy150Open AppScale/appscale/AppDB/zkappscale/zktransaction.py/ZKTransaction.is_orphan_lock--crossover with--dataset/ETHPy150Open slimta/python-slimta/slimta/queue/__init__.py/QueueStorage.write