code: def __iter__(self):
      return self
  
file_path: serve/ts/handler_utils/hf_batch_streamer.py
imports: from typing import Optional
  from transformers import AutoTokenizer
  from transformers.generation.streamers import BaseStreamer, TextIteratorStreamer
label_desc: Use image node_id 4 for calling the TextIteratorStreamerBatch obj's underlying member method code with example usage: obj.__iter__() and returns: self