message: python: fix update merge with master
diff: @@ -406,6 +406,9 @@ public:
  void init(const FFModel&);
  void forward(const FFModel&);
  void backward(const FFModel&);
  + void print_layer(const FFModel& model) {}
  + Parameter* get_weight() {return NULL;}
  + Parameter* get_bias() {return NULL;}
  static void forward_task(const Task *task,
  const std::vector<PhysicalRegion> &regions,
  Context ctx, Runtime *runtime);
  