code: def _ckpt_path(self):
      return os.path.join(self.get_temp_dir(), "iterator")
  
file_path: tensorflow/tensorflow/python/data/experimental/kernel_tests/make_saveable_from_iterator_test.py
imports: import os
  from absl.testing import parameterized
  from tensorflow.python.data.experimental.ops import iterator_ops
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.platform import test
  from tensorflow.python.training import saver
label_desc: Use image node_id 3 for calling the MakeSaveableFromIteratorTest obj's underlying member method code with example usage: obj._ckpt_path() and returns: os