code: def setUp(self):
      super(TestManifoldMixup, self).setUp()
      self.model = TestModel()
  
imports: from unittest import TestCase
  from mock import patch, Mock
  from torch import nn
  from torchbearer.callbacks.manifold_mixup import ManifoldMixup
  import torchbearer
  import torch
label_desc: Use image node_id 1 for calling the TestManifoldMixup obj's underlying member method code with example usage: obj.setUp() without return types