code: def test_exponential_lr_integration(self):
      exponential_lr = ExponentialLR(gamma=0.01)
      self._fit_with_callback_integration(exponential_lr)
  
file_path: poutyne/tests/framework/callbacks/test_lr_scheduler.py
imports: import unittest
  from unittest import TestCase
  import torch
  import torch.nn
  from poutyne import CosineAnnealingLR, ExponentialLR, LambdaLR, Model, MultiStepLR, ReduceLROnPlateau, StepLR
  from tests.framework.tools import some_data_generator
label_desc: Use image node_id 5 for calling the LRSchedulersTest obj's underlying member method code with example usage: obj.test_exponential_lr_integration() without return types