def test_msle(self):
        actual = 1 - np.e ** (np.array([1, 2, 3, 4]))
        predicted = np.e ** (np.array([4, 3, 2, 1])) - 1
        self.assertEqual(5, estimators.msle(actual, predicted))
dataset/ETHPy150Open itdxer/neupy/tests/network/test_errors.py/ErrorFuncTestCase.test_msle/swapped operands of `-`