code: def test_history_no_epochs_key(
      self, has_epoch, epoch_slice, history_cls
  ):
      h = history_cls()
      if has_epoch:
          h.new_epoch()
  
      # Expect KeyError since the key was not found in any epochs
      with pytest.raises(KeyError):
          # pylint: disable=pointless-statement
          h[epoch_slice, "foo"]
      with pytest.raises(KeyError):
          # pylint: disable=pointless-statement
          h[epoch_slice, ["foo", "bar"]]
  
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 31 for calling the TestHistory obj's underlying member method code with example usage: obj.test_history_no_epochs_key(has_epoch, epoch_slice, history_cls) without return types