code: def __iter__(self) -> Iterator[Dict[str, Any]]:
      yield from self._dp
  
file_path: vision/torchvision/prototype/datasets/utils/_dataset.py
imports: import abc
  import importlib
  import pathlib
  from typing import Any, Collection, Dict, Iterator, List, Optional, Sequence, Union
  from torchdata.datapipes.iter import IterDataPipe
  from torchvision.datasets.utils import verify_str_arg
  from ._resource import OnlineResource
label_desc: Use image node_id 3 for calling the Dataset obj's underlying member method code with example usage: obj.__iter__() without return types