code: def setUp(self):
      self.model = TestModel()
      self.target_model = deepcopy(self.model)
      self.target_model2 = deepcopy(self.model)
  
      gpu_count = get_gpu_count()
      if gpu_count > 0:
          place = fluid.CUDAPlace(0)
      else:
          place = fluid.CPUPlace()
      self.executor = fluid.Executor(place)
  
imports: import numpy
  import paddle.fluid
  import parl
  import unittest
  from copy import deepcopy
  from paddle.fluid import ParamAttr
  from parl import layers
  from parl.utils import get_gpu_count
  from parl.core.fluid.plutils import fetch_value
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