code: def test_history_no_epochs_batches(
      self, has_epoch, epoch_slice, history_cls
  ):
      h = history_cls()
      if has_epoch:
          h.new_epoch()
  
      # Expect a list of zero epochs since 'batches' always exists
      assert h[epoch_slice, "batches"] == []
      assert h[epoch_slice, "batches", -1] == []
  
imports: import pickle
  import time
  import multiprocessing
  from functools import partial
  import numpy
  import pytest
  import torch
  from torch.distributed import TCPStore
  from sklearn.datasets import make_classification
label_desc: Use image node_id 33 for calling the TestHistory obj's underlying member method code with example usage: obj.test_history_no_epochs_batches(has_epoch, epoch_slice, history_cls) without return types