Fix divide
Fix divide

tigerneil/chainer,chainer/chainer,cupy/cupy,hvy/chainer,tkerola/chainer,cupy/cupy,t-abe/chainer,yanweifu/chainer,umitanuki/chainer,ytoyama/yans_chainer_hackathon,wkentaro/chainer,anaruse/chainer,kiyukuta/chainer,laysakura/chainer,benob/chainer,sou81821/chainer,pfnet/chainer,AlpacaDB/chainer,muupan/chainer,keisuke-umezawa/chainer,jnishi/chainer,niboshi/chainer,keisuke-umezawa/chainer,okuta/chainer,hvy/chainer,okuta/chainer,cupy/cupy,hvy/chainer,Kaisuke5/chainer,niboshi/chainer,chainer/chainer,ktnyt/chainer,benob/chainer,hidenori-t/chainer,niboshi/chainer,okuta/chainer,minhpqn/chainer,hvy/chainer,jnishi/chainer,cupy/cupy,delta2323/chainer,jnishi/chainer,AlpacaDB/chainer,niboshi/chainer,sinhrks/chainer,wkentaro/chainer,okuta/chainer,kikusu/chainer,wkentaro/chainer,keisuke-umezawa/chainer,ronekko/chainer,rezoo/chainer,muupan/chainer,ktnyt/chainer,keisuke-umezawa/chainer,cemoody/chainer,truongdq/chainer,ysekky/chainer,ikasumi/chainer,ktnyt/chainer,t-abe/chainer,ktnyt/chainer,sinhrks/chainer,aonotas/chainer,masia02/chainer,kikusu/chainer,wkentaro/chainer,tscohen/chainer,jnishi/chainer,kashif/chainer,chainer/chainer,truongdq/chainer,chainer/chainer,1986ks/chainer