add variable.item()
add variable.item()

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