code: def __getitem__(self, index: int) -> Tuple:
      v = float(self.initial_value + 0.1 * index)
      return torch.Tensor([v]), torch.Tensor([v])
  
file_path: determined/harness/tests/experiment/fixtures/pytorch_identity/model_def.py
imports: from typing import Any, Dict, Tuple
  import torch.utils.data
  from determined import pytorch
label_desc: Use image node_id 3 for calling the IdentityDataset obj's underlying member method code with example usage: obj.__getitem__(index) and returns: torch,  torch