Fix code style
Fix code style

jnishi/chainer,benob/chainer,t-abe/chainer,yanweifu/chainer,sinhrks/chainer,jnishi/chainer,anaruse/chainer,niboshi/chainer,tigerneil/chainer,benob/chainer,laysakura/chainer,truongdq/chainer,kiyukuta/chainer,jnishi/chainer,hidenori-t/chainer,chainer/chainer,wkentaro/chainer,cemoody/chainer,minhpqn/chainer,cupy/cupy,hvy/chainer,chainer/chainer,ktnyt/chainer,ktnyt/chainer,delta2323/chainer,okuta/chainer,ktnyt/chainer,umitanuki/chainer,hvy/chainer,truongdq/chainer,cupy/cupy,pfnet/chainer,niboshi/chainer,keisuke-umezawa/chainer,okuta/chainer,jnishi/chainer,cupy/cupy,kashif/chainer,tkerola/chainer,tscohen/chainer,ktnyt/chainer,kikusu/chainer,keisuke-umezawa/chainer,wkentaro/chainer,hvy/chainer,cupy/cupy,AlpacaDB/chainer,wkentaro/chainer,aonotas/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,ikasumi/chainer,ysekky/chainer,AlpacaDB/chainer,chainer/chainer,kikusu/chainer,1986ks/chainer,wkentaro/chainer,ytoyama/yans_chainer_hackathon,sou81821/chainer,niboshi/chainer,okuta/chainer,sinhrks/chainer,hvy/chainer,masia02/chainer,muupan/chainer,chainer/chainer,okuta/chainer,niboshi/chainer,Kaisuke5/chainer,ronekko/chainer,t-abe/chainer,rezoo/chainer,muupan/chainer