code: def test_change_epoch():
      reporter = Reporter()
      with pytest.raises(RuntimeError):
          with reporter.observe("train", 1):
              reporter.set_epoch(2)
  
imports: import logging
  import uuid
  from pathlib import Path
  import numpy
  import pytest
  import torch
  from torch.utils.tensorboard import SummaryWriter
  from espnet2.train.reporter import Average, ReportedValue, Reporter, aggregate
label_desc: Use image node_id 18 for calling a global function with example usage: test_change_epoch() without return types