code: def __iter__(self):
      for d in self.dataset:
          yield {k: v.numpy() for k, v in d.items()}
  
imports: import os
  from typing import Callable, Optional, Tuple, List, Iterable
  import numpy
  import tensorflow
  from absl import flags
label_desc: Use image node_id 2 for calling the Numpyfier obj's underlying member method code with example usage: obj.__iter__() without return types