code: def tearDownModule():
      asyncio.set_event_loop_policy(None)
  
imports: import _thread
  import asyncio
  import contextvars
  import re
  import signal
  import sys
  import threading
  import unittest
  from test.test_asyncio import utils
  from unittest import mock
  from unittest.mock import patch
label_desc: Use image node_id 1 for calling a global function with example usage: tearDownModule() without return types