def IsAbandoned(self):
    return self.expiration is not None and self.expiration <= time.time()
Creates a keyspace with NetworkTopologyStrategy for replica placement
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/lock.py/Lock.IsAbandoned--crossover with--dataset/ETHPy150Open datastax/python-driver/cassandra/cqlengine/management.py/create_keyspace_network_topology