def test_arg_scope(self): myhelper = self.myhelper myhelper2 = self.myhelper2 n = 15 with brew.arg_scope([myhelper], val=n): res = brew.myhelper(self.model) self.assertEqual(n, res) with brew.arg_scope([myhelper, myhelper2], val=n): res1 = brew.myhelper(self.model) res2 = brew.myhelper2(self.model) self.assertEqual([n, n], [res1, res2])