def build_option_parser(parser):
    parser.add_argument(
        '--os-clustering-api-version',
        metavar='<clustering-api-version>',
        default=utils.env(
            'OS_CLUSTERING_API_VERSION',
            default=DEFAULT_CLUSTERING_API_VERSION),
        help='Clustering API version, default=' +
             DEFAULT_CLUSTERING_API_VERSION +
             ' (Env: OS_CLUSTERING_API_VERSION)')
    return parser
Tests copying a Bidict.
dataset/ETHPy150Open openstack/python-senlinclient/senlinclient/plugin.py/build_option_parser--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/data_structures/bijectivedict.py/TestBidict.test_copy