code: def inc_two(self, x, y):
      self.i += x
      self.i += y
      return self.i
  
imports: import logging
  import os
  import random
  import sys
  import time
  import pytest
  import ray
  import ray.cluster_utils
  from ray.exceptions import RaySystemError
  from ray.dag import InputNode, MultiOutputNode
  from ray.tests.conftest import *
label_desc: Use image node_id 4 for calling the Actor obj's underlying member method code with example usage: obj.inc_two(x, y) and returns: self