code: def setUp(self):
      self.out_dir = tf.test.get_temp_dir()
      tf.gfile.DeleteRecursively(self.out_dir)
      tf.gfile.MkDir(self.out_dir)
  
file_path: tensor2tensor/tensor2tensor/rl/restarter_test.py
imports: import os
  from tensor2tensor.rl.restarter import Restarter
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the RestarterTest obj's underlying member method code with example usage: obj.setUp() without return types