code: def get_arg2(self):
      return self.arg2
  
file_path: PARL/parl/remote/future_mode/tests/future_object_test.py
imports: import unittest
  import parl
  import time
  import threading
  from parl.remote import exceptions
  from parl.remote.future_mode import FutureObject
  from parl.utils.test_utils import XparlTestCase
label_desc: Use image node_id 3 for calling the Actor obj's underlying member method code with example usage: obj.get_arg2() and returns: self