code: def __len__(self) -> int:
      return 1024
  
file_path: determined/harness/tests/experiment/fixtures/ancient-checkpoints/0.21.0-pytorch/code/model_def.py
imports: from typing import Any, Callable, Dict, List, Sequence, Tuple, Union, cast
  import torch
  from torch import nn
  import determined
  from determined import pytorch
label_desc: Use image node_id 1 for calling the OnesDataset obj's underlying member method code with example usage: obj.__len__() and returns: int