Revert nonessential change
Revert nonessential change

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