Fix code style
Fix code style

chainer/chainer,niboshi/chainer,keisuke-umezawa/chainer,ktnyt/chainer,niboshi/chainer,wkentaro/chainer,hvy/chainer,niboshi/chainer,wkentaro/chainer,chainer/chainer,okuta/chainer,ktnyt/chainer,hvy/chainer,hvy/chainer,pfnet/chainer,keisuke-umezawa/chainer,wkentaro/chainer,ktnyt/chainer,wkentaro/chainer,anaruse/chainer,chainer/chainer,jnishi/chainer,ronekko/chainer,okuta/chainer,jnishi/chainer,jnishi/chainer,niboshi/chainer,hvy/chainer,tkerola/chainer,ktnyt/chainer,jnishi/chainer,rezoo/chainer,okuta/chainer,chainer/chainer,keisuke-umezawa/chainer,okuta/chainer,keisuke-umezawa/chainer