code: def foo(x, y):
      assert x == 123
      assert y == "abc"
  
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 for calling a global function with example usage: foo(x, y) without return types