text: import pytest
  
  from engine.utils.extraction import _clean
  
  
  def test_send_none_to_clean():
      with pytest.raises(
          AttributeError, match=r"Cannot clean value other than a string here*."
      ):
          _clean(None)
  
  
  def test_send_int_to_clean():
      with pytest.raises(
          AttributeError, match=r"Cannot clean value other than a string here*."
      ):
          _clean(2)
  