fix the numpy version has to be lower than 1.15 (#12523)
fix the numpy version has to be lower than 1.15 (#12523)

* fix the numpy version has to be lower than 1.15

* Add TODO comments

chengduoZH/Paddle,PaddlePaddle/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,reyoung/Paddle,luotao1/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,baidu/Paddle,chengduoZH/Paddle,baidu/Paddle,luotao1/Paddle,tensor-tang/Paddle,tensor-tang/Paddle,tensor-tang/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,chengduoZH/Paddle,baidu/Paddle,QiJune/Paddle,chengduoZH/Paddle,luotao1/Paddle,QiJune/Paddle,baidu/Paddle,QiJune/Paddle,tensor-tang/Paddle,baidu/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,luotao1/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,reyoung/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,luotao1/Paddle