Fix coding style
Fix coding style

keisuke-umezawa/chainer,ronekko/chainer,keisuke-umezawa/chainer,tkerola/chainer,minhpqn/chainer,okuta/chainer,pfnet/chainer,cupy/cupy,hvy/chainer,t-abe/chainer,wkentaro/chainer,jnishi/chainer,cupy/cupy,chainer/chainer,sinhrks/chainer,niboshi/chainer,jnishi/chainer,okuta/chainer,AlpacaDB/chainer,anaruse/chainer,chainer/chainer,kikusu/chainer,truongdq/chainer,muupan/chainer,benob/chainer,ysekky/chainer,truongdq/chainer,hvy/chainer,cupy/cupy,ktnyt/chainer,kikusu/chainer,okuta/chainer,muupan/chainer,jnishi/chainer,niboshi/chainer,chainer/chainer,rezoo/chainer,hvy/chainer,delta2323/chainer,ktnyt/chainer,1986ks/chainer,niboshi/chainer,hvy/chainer,wkentaro/chainer,benob/chainer,jnishi/chainer,tscohen/chainer,aonotas/chainer,niboshi/chainer,kashif/chainer,cemoody/chainer,t-abe/chainer,chainer/chainer,AlpacaDB/chainer,keisuke-umezawa/chainer,sinhrks/chainer,ktnyt/chainer,kiyukuta/chainer,okuta/chainer,ktnyt/chainer,cupy/cupy,laysakura/chainer,wkentaro/chainer,wkentaro/chainer,keisuke-umezawa/chainer