code: def __len__(self):
      return 64
  
file_path: determined/harness/tests/experiment/fixtures/ancient-checkpoints/0.20.0-pytorch/code/model_def.py
imports: import torch
  from torch import nn
  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