code: def test_attribute_with_reserved_names_1(self):
      self.add_master()
      self.add_worker(n_cpu=1)
      parl.connect("localhost:{}".format(self.port))
  
      actor = Actor2()  # will raise error in another thread
      with self.assertRaises(FutureFunctionError):
          actor.get_arg()  # calling any function will raise error
      actor.destroy()
  
imports: import unittest
  import parl
  import numpy
  from parl.remote.exceptions import FutureFunctionError
  from parl.remote.future_mode.future_object import FutureObject
  from parl.utils.test_utils import XparlTestCase
  import time
  import threading
  import random
label_desc: Use image node_id 3 for calling the Test_proxy_wrapper obj's underlying member method code with example usage: obj.test_attribute_with_reserved_names_1() without return types