def test_unicode_nstag_invalid(self):
        # sadly, Klingon is not well-formed
        tag = invalid_tag % "{http://abc/}%s"
        self.assertRaises(ValueError, etree.Element, tag)
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/lxml-3.3.6/src/lxml/tests/test_unicode.py/UnicodeTestCase.test_unicode_nstag_invalid/swapped operands of `%`