def testNonExistKey__get(self):
        self.assertIsNone(self.registry.get('non-exist'))
.. todo::
dataset/ETHPy150Open xtrementl/focus/tests/unit/test_registry.py/TestExtRegistry.testNonExistKey__get--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/utils/insert_along_axis.py/InsertAlongAxis.__hash__