code: def __iter__(self) -> "_IterDataPipeSerializationWrapper":
      self._datapipe_iter = iter(self._datapipe)
      return self
  
imports: import functools
  import pickle
  from typing import Dict, Callable, Optional, TypeVar, Generic, Iterator
  from torch.utils.data.datapipes._typing import _DataPipeMeta, _IterDataPipeMeta
  from torch.utils.data.datapipes._hook_iterator import _SnapshotState
  from torch.utils.data.datapipes.utils.common import _deprecation_warning, _iter_deprecated_functional_names, _map_deprecated_functional_names
  from torch.utils.data.dataset import Dataset, IterableDataset
label_desc: Use image node_id 2 for calling the _IterDataPipeSerializationWrapper obj's underlying member method code with example usage: obj.__iter__() and returns: self