code: def __iter__(self):
      return iter(self.data)
  
file_path: MONAI/tests/test_iterable_dataset.py
imports: from __future__ import annotations
  import os
  import sys
  import tempfile
  import unittest
  import nibabel
  import numpy
  from monai.data import DataLoader, Dataset, IterableDataset
  from monai.transforms import Compose, LoadImaged, SimulateDelayd
label_desc: Use image node_id 2 for calling the _Stream obj's underlying member method code with example usage: obj.__iter__() and returns: iter