!3298 modify model_zoo code

Merge pull request !3298 from changzherui/mod_zoo_code

model_zoo/mass/src/transformer/transformer_for_train.py

@@ -18,7 +18,7 @@ from mindspore.ops import operations as P
 from mindspore.ops import functional as F
 from mindspore.ops import composite as C
 from mindspore.common.tensor import Tensor
-from mindspore.common.parameter import Parameter, ParameterTuple
+from mindspore.common.parameter import Parameter
 from mindspore.common import dtype as mstype
 from mindspore.nn.wrap.grad_reducer import DistributedGradReducer
 from mindspore.train.parallel_utils import ParallelMode
@@ -231,7 +231,7 @@ class TransformerTrainOneStepWithLossScaleCell(nn.Cell):
         super(TransformerTrainOneStepWithLossScaleCell, self).__init__(auto_prefix=False)
         self.network = network
         self.network.add_flags(defer_inline=True)
-        self.weights = ParameterTuple(network.trainable_params())
+        self.weights = optimizer.parameters
         self.optimizer = optimizer
         self.grad = C.GradOperation('grad', get_by_list=True,
                                     sens_param=True)