code: def __init__(self) -> None:
      super().__init__()
      self.store: Dict[Tuple, Tuple[Tensor, Tensor]] = {}
  
file_path: pytorch_geometric/torch_geometric/testing/graph_store.py
imports: from typing import Dict, List, Optional, Tuple
  from torch import Tensor
  from torch_geometric.data import EdgeAttr, GraphStore
  from torch_geometric.typing import EdgeTensorType
label_desc: Use image node_id 1 to create a new MyGraphStore object from inherited base classes: GraphStore with example: obj = MyGraphStore()