code: def test_any_scheduler_checkpoints(self):
      lr_scheduler = ExponentialLR(gamma=0.01)
      checkpointer = LRSchedulerCheckpoint(
          lr_scheduler, self.checkpoint_filename, period=1
      )
      self._test_checkpointer(checkpointer, lr_scheduler)
  
file_path: poutyne/tests/framework/callbacks/test_lr_scheduler_checkpoint.py
imports: import os
  import unittest
  from tempfile import TemporaryDirectory
  from unittest import TestCase
  import torch
  import torch.nn
  from poutyne import ExponentialLR, LRSchedulerCheckpoint, Model, ReduceLROnPlateau, torch_to_numpy
  from tests.framework.tools import some_data_generator
label_desc: Use image node_id 5 for calling the OptimizerCheckpointTest obj's underlying member method code with example usage: obj.test_any_scheduler_checkpoints() without return types