code: def process_from_file(self, paths: str) -> DataBundle:
      r"""
      传入文件路径，生成处理好的 :class:`~fastNLP.io.DataBundle` 对象。``paths`` 支持的路径形式可以参考 :meth:`fastNLP.io.Loader.load`
  
      :param paths:
      :return:
      """
      raise NotImplementedError
  
label_desc: Use image node_id 2 for calling the Pipe obj's underlying member method code with example usage: obj.process_from_file(paths) without return types