Follow comments and refine the python wrapper of reshape_op
Follow comments and refine the python wrapper of reshape_op

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