def test_existance_06c_dangling_node(self):
        p = makeTDInstance('roor')

        p.b = 123
        p.a
        p.aa.b.c
        p.bb.c.d = None

        self.assert_('a' not in p)
        self.assert_('b' in p)
        self.assert_('aa' not in p)
        self.assert_('bb' in p)
dataset/ETHPy150Open hoytak/treedict/tests/test_retrieval.py/TestRetrieval.test_existance_06c_dangling_node/original