def test_expint_gradient(self):
    inputs = [_get_weak_tensor(np.random.uniform(1.0, 10.0, size=int(1e2)))]
    analytical, numerical = gradient_checker_v2.compute_gradient(
        special_math_ops.expint, inputs)
    self.assertLess(gradient_checker_v2.max_error(analytical, numerical), 5e-3)