def _compose_action_description(action_fn):
    description = ""
    if action_fn.__doc__:
        parsed_doc = info.parse_docstring(action_fn.__doc__)
        short = parsed_doc.get("short_description")
        long = parsed_doc.get("long_description")

        description = (short, long) % "%s\n\n%s" if long else short

    return description
dataset/ETHPy150Open openstack/rally/rally/cli/cliutils.py/_compose_action_description/swapped operands of `%`