def __init__(self, subnetpool, context):
        self._subnetpool = subnetpool
        self._context = context
Get an iterator over rows in a specified key range.
dataset/ETHPy150Open openstack/neutron/neutron/ipam/driver.py/Pool.__init__--crossover with--dataset/ETHPy150Open pycassa/pycassa/pycassa/columnfamily.py/ColumnFamily.get_range