Build Fate NN Model In pytorch Style

[zhangyimeng960916]

In the pipeline programming mode,I tried to build NN model based on mnist dataset, but it failed：

error message：

File "pipeline_homo_nn_mnist.py", line 116, in
main()
File "pipeline_homo_nn_mnist.py", line 85, in main
homo_nn_0.add(layer_0)
File "/opt/app-root/lib/python3.6/site-packages/fate_client-0.1-py3.6.egg/pipeline/component/homo_nn.py", line 58, in add
self._model.add(layer)
File "/opt/app-root/lib/python3.6/site-packages/fate_client-0.1-py3.6.egg/pipeline/component/nn/models/sequantial.py", line 37, in add
self._add_layer(layer, layer_type)
File "/opt/app-root/lib/python3.6/site-packages/fate_client-0.1-py3.6.egg/pipeline/component/nn/models/sequantial.py", line 45, in _add_layer
self._model.add(layer)
AttributeError: 'SequentialModel' object has no attribute 'add'