if keep_client is None:
keep_client = arvados.keep.KeepClient(api_client=api_client, num_retries=4)
executor = ArvCwlExecutor(api_client, arvargs, keep_client=keep_client, num_retries=4)
if keep_client is None:
keep_client = arvados.keep.KeepClient(api_client=api_client, num_retries=4)
executor = ArvCwlExecutor(api_client, arvargs, keep_client=keep_client, num_retries=4)