def METHOD_NAME():
    # abstract classes
    assert issubclass(AbstractSuper, AbstractSuper)
    assert not issubclass(AbstractSuper, AbstractChild)
    assert not issubclass(AbstractSuper, Child)
    assert issubclass(AbstractChild, AbstractChild)
    assert issubclass(AbstractChild, AbstractSuper)
    assert not issubclass(AbstractChild, Super)
    assert not issubclass(AbstractChild, Child)