@pytest.mark.parametrize('invalid_value', [None, [], (), 69, 69L])
def test_parse_multistring_invalid(invalid_value):
 with pytest.raises(ValueError):
  parse_multistring(invalid_value)

@ pytest . mark . parametrize ( 'invalid_value' , [ None , [ ] , ( ) , 69 , 69 L ] ) def test_parse_multistring_invalid ( invalid_value ) : with pytest . raises ( ValueError ) : parse_multistring ( invalid_value )
tests parsing doesnt support non-string values .