def test_cache_page_new_style(self):
        def my_view(request):
            return "response"
        my_view_cached = cache_page(123)(my_view)
        self.assertEqual(my_view_cached(HttpRequest()), "response")
        my_view_cached2 = cache_page(123, key_prefix="test")(my_view)
        self.assertEqual(my_view_cached2(HttpRequest()), "response")
Returns the Jacobian of derivatives between inputs and outputs.
dataset/ETHPy150Open django/django/tests/decorators/tests.py/DecoratorsTest.test_cache_page_new_style--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/driver.py/Driver.calc_gradient