def __hash__(self):
        raise TypeError('IP sets are unhashable!')
stage required files to machine of pilot job
dataset/ETHPy150Open drkjam/netaddr/netaddr/ip/sets.py/IPSet.__hash__--crossover with--dataset/ETHPy150Open saga-project/BigJob/pilot/impl/pilot_manager.py/ComputeDataService.__stage_du_to_pj