code: def __init__(self, x=None, edge_index=None, arg=None):
      super().__init__(x=x, edge_index=edge_index, arg=arg)
  
file_path: pytorch_geometric/test/data/test_inherit.py
imports: import torch
  from torch_geometric.data import Data, Dataset, InMemoryDataset
label_desc: Use image node_id 1 to create a new MyData object from inherited base classes: Data with example: obj = MyData(x, edge_index, arg)