code: def autopep8(self, **kwargs):  # pragma: no cover
          
          self.assert_is_dir_and_exists()
  
          for p in self.select_by_ext(".py"):
              with open(p.abspath, "rb") as f:
                  code = f.read().decode("utf-8")
  
              formatted_code = autopep8.fix_code(code, **kwargs)
  
              with open(p.abspath, "wb") as f:
                  f.write(formatted_code.encode("utf-8"))
docs: Auto convert your python code in a directory to pep8 styled code.
  
          :param kwargs: arguments for ``autopep8.fix_code`` method.
  
          **中文文档**
  
          将目录下的所有Python文件用pep8风格格式化。增加其可读性和规范性。