Fix import of sentiment in examples
Fix import of sentiment in examples

okuta/chainer,muupan/chainer,chainer/chainer,laysakura/chainer,okuta/chainer,masia02/chainer,tigerneil/chainer,umitanuki/chainer,ytoyama/yans_chainer_hackathon,tereka114/chainer,minhpqn/chainer,hidenori-t/chainer,AlpacaDB/chainer,niboshi/chainer,truongdq/chainer,jnishi/chainer,sinhrks/chainer,wkentaro/chainer,keisuke-umezawa/chainer,pfnet/chainer,chainer/chainer,hvy/chainer,delta2323/chainer,ronekko/chainer,yanweifu/chainer,hvy/chainer,truongdq/chainer,jfsantos/chainer,kikusu/chainer,cupy/cupy,keisuke-umezawa/chainer,wkentaro/chainer,chainer/chainer,niboshi/chainer,wavelets/chainer,cupy/cupy,jnishi/chainer,tscohen/chainer,t-abe/chainer,anaruse/chainer,Kaisuke5/chainer,ysekky/chainer,aonotas/chainer,ktnyt/chainer,woodshop/complex-chainer,ktnyt/chainer,hvy/chainer,kiyukuta/chainer,okuta/chainer,keisuke-umezawa/chainer,cupy/cupy,elviswf/chainer,kuwa32/chainer,okuta/chainer,rezoo/chainer,cemoody/chainer,wkentaro/chainer,wkentaro/chainer,t-abe/chainer,cupy/cupy,benob/chainer,chainer/chainer,kashif/chainer,sou81821/chainer,1986ks/chainer,AlpacaDB/chainer,ikasumi/chainer,benob/chainer,jnishi/chainer,bayerj/chainer,niboshi/chainer,sinhrks/chainer,woodshop/chainer,jnishi/chainer,hvy/chainer,niboshi/chainer,tkerola/chainer,muupan/chainer,kikusu/chainer,ktnyt/chainer,ktnyt/chainer,keisuke-umezawa/chainer