message: fix import error
  keras.models to models
diff: @@ -197,7 +197,7 @@ def layer_test(layer_cls, kwargs=None, input_shape=None, input_dtype=None,
  # test serialization, weight setting at model level
  model_config = model.get_config()
  - recovered_model = keras.models.Model.from_config(
  + recovered_model = models.Model.from_config(
  model_config, custom_objects)
  if model.weights:
  weights = model.get_weights()
  @@ -253,7 +253,7 @@ def layer_test(layer_cls, kwargs=None, input_shape=None, input_dtype=None,
  # test serialization, weight setting at model level
  model_config = model.get_config()
  - recovered_model = keras.models.Sequential.from_config(
  + recovered_model = models.Sequential.from_config(
  model_config, custom_objects)
  if model.weights:
  weights = model.get_weights()
  