fix appveyor.yml
fix appveyor.yml

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