code: def __iter__(self) -> Iterator:
      for i in self.range:
          yield self.dataset[i]
  
imports: import copy
  from typing import Any, Callable, Iterator, Optional, Sequence
  import torch
  from torch_geometric.data import Batch
  from torch_geometric.utils import from_smiles
label_desc: Use image node_id 4 for calling the DatasetAdapter obj's underlying member method code with example usage: obj.__iter__() without return types