fix

models/rank/dcn/model.py

@@ -164,5 +164,4 @@ class Model(ModelBase):
         return optimizer
 
     def infer_net(self):
-        #self._init_slots()
         self.train_net()

models/rank/wide_deep/model.py

@@ -123,5 +123,4 @@ class Model(ModelBase):
         return optimizer
 
     def infer_net(self):
-        #self._init_slots()
         self.train_net()

models/rank/xdeepfm/model.py

@@ -180,5 +180,4 @@ class Model(ModelBase):
         return optimizer
 
     def infer_net(self):
-        #self._init_slots()
         self.train_net()