code: def tearDownModule():
      asyncio.set_event_loop_policy(None)
  
imports: import socket
  import asyncio
  import sys
  import unittest
  from asyncio import proactor_events
  from itertools import cycle, islice
  from unittest.mock import Mock
  from test.test_asyncio import utils
  from test import support
  from test.support import socket_helper
label_desc: Use image node_id 1 for calling a global function with example usage: tearDownModule() without return types