code: def __init__(self, hello_str, integer, tensor, func):
      self.hello_str = hello_str
      self.integer = integer
      self.tensor = tensor
      self.func = func
  
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 HelloRequest object from inherited base classes: dgl.distributed with example: obj = HelloRequest(hello_str, integer, tensor, func)