code: def __iter__(self):
      # sent_stream is an iterator
      sent_stream = self.get_sent_stream()
  
      for batch in self.stream_iterator(sent_stream):
          yield batch
  
imports: import glob
  import os
  import pickle
  import re
  from collections import Counter, OrderedDict
  from typing import List, Optional, Tuple
  import numpy
  from ...tokenization_utils import PreTrainedTokenizer
  from ...utils import cached_file, is_sacremoses_available, is_torch_available, logging, requires_backends, torch_only_method
label_desc: Use image node_id 4 for calling the LMShuffledIterator obj's underlying member method code with example usage: obj.__iter__() without return types