[fix] based on the comments
[fix] based on the comments

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