code: def __init__(self):
      self.x = 123
      self.y = "abc"
      self.z = F.randn((3, 4))
      self.foo = foo
  
imports: import multiprocessing
  import os
  import socket
  import time
  import unittest
  import backend
  import dgl
  import pytest
  from numpy.testing import assert_array_equal
  from utils import generate_ip_config, reset_envs
label_desc: Use image node_id 1 to create a new MyRequest object from inherited base classes: dgl.distributed with example: obj = MyRequest()