code: def random(self):
      return torch.randn(list(self.x.size()) + list(self.arg.size()))
  
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 2 for calling the MyData obj's underlying member method code with example usage: obj.random() and returns: torch