code: def __del__(self):
      if self._asyncioRunner is not None:
          self._tearDownAsyncioRunner()
  
file_path: cpython/Lib/unittest/async_case.py
imports: import asyncio
  import contextvars
  import inspect
  import warnings
  from .case import TestCase
label_desc: Use image node_id 13 for calling the IsolatedAsyncioTestCase obj's underlying member method code with example usage: obj.__del__() without return types