user need to set feed order for Trainer.train and Trainer.test (#10679)
user need to set feed order for Trainer.train and Trainer.test (#10679)


chengduoZH/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,baidu/Paddle,jacquesqiao/Paddle,QiJune/Paddle,putcn/Paddle,luotao1/Paddle,QiJune/Paddle,pkuyym/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,Canpio/Paddle,tensor-tang/Paddle,putcn/Paddle,baidu/Paddle,PaddlePaddle/Paddle,baidu/Paddle,Canpio/Paddle,putcn/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,reyoung/Paddle,QiJune/Paddle,Canpio/Paddle,pkuyym/Paddle,jacquesqiao/Paddle,Canpio/Paddle,luotao1/Paddle,reyoung/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,reyoung/Paddle,chengduoZH/Paddle,pkuyym/Paddle,Canpio/Paddle,chengduoZH/Paddle,jacquesqiao/Paddle,chengduoZH/Paddle,putcn/Paddle,QiJune/Paddle,jacquesqiao/Paddle,jacquesqiao/Paddle,luotao1/Paddle,luotao1/Paddle,luotao1/Paddle,reyoung/Paddle,baidu/Paddle,chengduoZH/Paddle,Canpio/Paddle,putcn/Paddle,tensor-tang/Paddle,putcn/Paddle,luotao1/Paddle,Canpio/Paddle,luotao1/Paddle,tensor-tang/Paddle,tensor-tang/Paddle,pkuyym/Paddle,jacquesqiao/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,baidu/Paddle