[fix] based on the comment
[fix] based on the comment

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