def test_idgenerator_is_generator(self):
        g = IdGenerator()
        self.assertEqual(1, next(g))
        self.assertEqual(2, next(g))
Iterate over values, *not keys*. Keys are accessible
dataset/ETHPy150Open crossbario/autobahn-python/autobahn/test/test_util.py/TestIdGenerator.test_idgenerator_is_generator--crossover with--dataset/ETHPy150Open eyeseast/python-tablefu/table_fu/__init__.py/Row.__iter__