code: def stateless_model_with_e(self, e):
      def model(x):
          raise e
          return x
  
      return model
  
imports: import unittest
  from mock import Mock, MagicMock, create_autospec, patch
  import torch
  import torchbearer
  from torchbearer.bases import Metric, Callback, base_closure
  from torchbearer.metrics.primitives import CategoricalAccuracy
label_desc: Use image node_id 2 for calling the TestBaseCrit obj's underlying member method code with example usage: obj.stateless_model_with_e(e) and returns: model, x