Fix mistake
Fix mistake

chainer/chainer,wkentaro/chainer,okuta/chainer,chainer/chainer,okuta/chainer,wkentaro/chainer,chainer/chainer,chainer/chainer,hvy/chainer,hvy/chainer,wkentaro/chainer,niboshi/chainer,niboshi/chainer,hvy/chainer,hvy/chainer,okuta/chainer,okuta/chainer,niboshi/chainer,pfnet/chainer,wkentaro/chainer,niboshi/chainer