Class Derived

Lib/test/test_compare.py:80–86

                calls.append('Base.__eq__')
                return NotImplemented
        class Derived(Base):  # Subclassing forces higher priority
            def __eq__(*args):
                calls.append('Derived.__eq__')
                return NotImplemented
            def __ne__(*args):
                calls.append('Derived.__ne__')
                return NotImplemented
        Base() != Derived()
        self.assertSequenceEqual(calls, ['Derived.__ne__', 'Base.__eq__'])