message: Add test case for GitHub issue 33394
  for fixing of AttributeError: 'list' object has no attribute 'op' when calling SparseCategoricalCrossentropy
diff: @@ -1003,6 +1003,14 @@ class SparseCategoricalCrossentropyTest(test.TestCase):
  loss = cce_obj(y_true, logits)
  self.assertAllClose((0.001822, 0.000459, 0.169846), self.evaluate(loss), 3)
  + def test_non_tensor(self):
  + # Test case for GitHub issue 33394.
  + cce_obj = keras.losses.SparseCategoricalCrossentropy()
  + y_true = [[0], [1], [2]]
  + y_pred = [[.9, .05, .05], [.5, .89, .6], [.05, .01, .94]]
  + loss = cce_obj(y_true, y_pred, sample_weight=2.3)
  + self.assertAlmostEqual(self.evaluate(loss), .7449, 3)
  +
  @test_util.run_all_in_graph_and_eager_modes
  class HingeTest(test.TestCase):
  