def _deployment_rollback(deployment_id):

    client = marathon.create_client()
    deployment = client.rollback_deployment(deployment_id)

    emitter.publish(deployment)
    return 0
Return a parser object with index at 'index'
dataset/ETHPy150Open dcos/dcos-cli/cli/dcoscli/marathon/main.py/_deployment_rollback--crossover with--dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/idlelib/idle_test/test_hyperparser.py/HyperParserTest.get_parser