code: def tearDownModule():
      asyncio.set_event_loop_policy(None)
  
file_path: cpython/Lib/test/test_asyncio/test_taskgroups.py
imports: import asyncio
  import contextvars
  import contextlib
  from asyncio import taskgroups
  import unittest
  from test.test_asyncio.utils import await_without_task
label_desc: Use image node_id 1 for calling a global function with example usage: tearDownModule() without return types