(self, obs)
use policy model self.model to predict the action probability
            obs is `inputs`
use policy model self.model to predict the action probability
            obs is `inputs`
use policy model self . model to predict the action probability obs is inputs
def define_predict(self, obs):
        """
            use policy model self.model to predict the action probability
            obs is `inputs`
        """
        with fluid.unique_name.guard():
            [tokens, softmax, adjvec, sigmoid] = self.model.policy(obs)
            return tokens, adjvec
def define_predict ( self , obs ) : with fluid . unique_name . guard ( ) : [ tokens , softmax , adjvec , sigmoid ] = self . model . policy ( obs ) return tokens , adjvec