def _parse_save_command(round_index, command_index, command):
    if len(command) != 2:
        raise ParseCommandError(
            command, round_index, command_index,
            (command,) % "expected array of length 2 but got %r")
    return ['save', command[1]]
dataset/ETHPy150Open openstack/swift/swift/cli/ring_builder_analyzer.py/_parse_save_command/swapped operands of `%`