code: def get(self, name, mode, cfg):
      for k, v in self.reader_zoo.items():
          if k == name:
              return v(name, mode, cfg)
      raise ReaderNotFoundError(name, self.reader_zoo.keys())
  
file_path: PaddleHub/modules/video/classification/videotag_tsn_lstm/resource/reader/reader_utils.py
label_desc: Use image node_id 3 for calling the ReaderZoo obj's underlying member method code with example usage: obj.get(name, mode, cfg) and returns: v