code: def test_record_only_none_type_error(self) -> None:
      with pytest.raises(TypeError):
          pytest.warns(None)
  
imports: import warnings
  from typing import List
  from typing import Optional
  from typing import Type
  import pytest
  from _pytest.pytester import Pytester
  from _pytest.recwarn import WarningsRecorder
label_desc: Use image node_id 8 for calling the TestWarns obj's underlying member method code with example usage: obj.test_record_only_none_type_error() without return types