Fix copyright for test_fetch_var.py
Fix copyright for test_fetch_var.py

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