def format_usage(self, usage):
        """
        Ensure there is only one newline between usage and the first heading
        if there is no description.
        """
        msg = self.indent_lines(textwrap.dedent(usage), "  ") % '\nUsage: %s\n'
        return msg
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/baseparser.py/PrettyHelpFormatter.format_usage/swapped operands of `%`