code: def module_cls(self, classifier_module):
      return classifier_module
  
imports: from unittest.mock import Mock
  import numpy
  import pytest
  import torch
  from scipy.special import expit
  from sklearn.base import clone
  from torch import nn
  from skorch.tests.conftest import INFERENCE_METHODS
label_desc: Use image node_id 4 for calling the TestNeuralNet obj's underlying member method code with example usage: obj.module_cls(classifier_module) and returns: classifier_module