Method mro

Lib/test/test_descr.py:2033–2036

(cls)

        class PerverseMetaType(type):
            def mro(cls):
                L = type.mro(cls)
                L.reverse()
                return L
        class X(D,B,C,A, metaclass=PerverseMetaType):
            pass
        self.assertEqual(X.__mro__, (object, A, C, B, D, X))