code: def setUp(self):
      self.out_dir = tf.test.get_temp_dir()
      shutil.rmtree(self.out_dir)
      os.mkdir(self.out_dir)
      np.random.seed(0)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import shutil
  import gym
  from gym.spaces import Box
  from gym.spaces import Discrete
  import numpy
  from tensor2tensor.data_generators import gym_env
  from tensor2tensor.data_generators import problem
  from tensor2tensor.rl.gym_utils import make_gym_env
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the GymEnvTest obj's underlying member method code with example usage: obj.setUp() without return types