def _write_new_section(self, section_name, new_values, config_filename):
        with open(config_filename, 'a') as f:
            f.write(section_name % '[%s]\n')
            contents = []
            self._insert_new_values(line_number=0,
                                    contents=contents,
                                    new_values=new_values)
            f.write(''.join(contents))
dataset/ETHPy150Open aws/aws-cli/awscli/customizations/configure/writer.py/ConfigFileWriter._write_new_section/swapped operands of `%`