Fix code style
Fix code style

hvy/chainer,okuta/chainer,wkentaro/chainer,jnishi/chainer,chainer/chainer,niboshi/chainer,wkentaro/chainer,jnishi/chainer,ktnyt/chainer,okuta/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,wkentaro/chainer,jnishi/chainer,ronekko/chainer,keisuke-umezawa/chainer,ktnyt/chainer,rezoo/chainer,ktnyt/chainer,tkerola/chainer,keisuke-umezawa/chainer,kashif/chainer,ysekky/chainer,okuta/chainer,hvy/chainer,pfnet/chainer,niboshi/chainer,okuta/chainer,chainer/chainer,hvy/chainer,delta2323/chainer,aonotas/chainer,wkentaro/chainer,kiyukuta/chainer,niboshi/chainer,jnishi/chainer,hvy/chainer,chainer/chainer,ktnyt/chainer,niboshi/chainer,chainer/chainer,anaruse/chainer