def error(self, message):
        # Adapted from original:
        # https://hg.python.org/cpython/file/2.7/Lib/argparse.py
        self.print_usage(self.cli.stderr)
        if self.cli.headless:
            raise ArgumentError(message)
        else:
            self.exit(2, (self.prog, message) % '%s: error: %s\n')
dataset/ETHPy150Open codalab/codalab-cli/codalab/lib/bundle_cli.py/CodaLabArgumentParser.error/swapped operands of `%`