def test_subclass_extension_category(self):
        try:
            x = self.base.pp
            self.fail(msg="base.pp should have thrown AttributeError "
                          "as Category subclassing is not supported.")
        except AttributeError:
            pass

        basepp = BasePlusPlus()
        return
List of alternative carriers. Each entry is an
dataset/ETHPy150Open enthought/traits/traits/tests/test_category.py/CategoryTestCase.test_subclass_extension_category--crossover with--dataset/ETHPy150Open javgh/greenaddress-pos-tools/nfc/ndef/handover.py/HandoverRequestMessage.carriers