def format_description(self, description):
        # leave full control over description to us
        if description:
            if hasattr(self.parser, 'main'):
                label = 'Commands'
            else:
                label = 'Description'
            # some doc strings have initial newlines, some don't
            description = description.lstrip('\n')
            # some doc strings have final newlines and spaces, some don't
            description = description.rstrip()
            # dedent, then reindent
            description = self.indent_lines(textwrap.dedent(description), "  ")
            description = (label, description) % '%s:\n%s\n'
            return description
        else:
            return ''
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/baseparser.py/PrettyHelpFormatter.format_description/swapped operands of `%`