code: def setUp(self):
      self.model = TestModel()
      self.target_model = TestModel()
      self.target_model2 = TestModel()
      self.target_model3 = TestModel()
  
      gpu_count = get_gpu_count()
      device = torch.device("cuda" if gpu_count else "cpu")
  
imports: import numpy
  import unittest
  import os
  from copy import deepcopy
  from collections import OrderedDict
  import torch
  import torch.nn
  import torch.optim
  from parl.utils import get_gpu_count
  import parl
label_desc: Use image node_id 1 for calling the ModelBaseTest obj's underlying member method code with example usage: obj.setUp() without return types