def usage():
    print('{} project_id'.format(sys.argv[0]), file=sys.stderr)
Convert hrn to planetlab name.
dataset/ETHPy150Open GoogleCloudPlatform/cloud-pubsub-samples-python/grpc/pubsub_sample.py/usage--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/expedient/src/python/sfa/util/namespace.py/slicename_to_hrn