code: def test_lambda_lr_integration(self):
      def my_lambda(epoch):
          return 0.95**epoch
  
      lambda_lr = LambdaLR(lr_lambda=[my_lambda])
      self._fit_with_callback_integration(lambda_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 2 for calling the LRSchedulersTest obj's underlying member method code with example usage: obj.test_lambda_lr_integration() and returns: unknown