code: def test_history_with_invalid_epoch_key(self, history):
      key = slice(None), "not-batches"
      with pytest.raises(KeyError) as exc:
          # pylint: disable=pointless-statement
          history[key]
  
      msg = exc.value.args[0]
      expected = "Key 'not-batches' was not found in history."
      assert msg == expected
  
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 22 for calling the TestHistory obj's underlying member method code with example usage: obj.test_history_with_invalid_epoch_key(history) without return types