def test_mae_with_self_is_zero(self):
     res = of.mae(self.evaluation, self.evaluation)
     self.assertAlmostEqual(res, 0.0, self.tolerance)
 def test_mae(self):
     res = of.mae(self.evaluation, self.simulation)
     self.assertAlmostEqual(res, 1.2387193462811703, self.tolerance)