Use vstack instead of repeat
Use vstack instead of repeat

niboshi/chainer,chainer/chainer,AlpacaDB/chainer,benob/chainer,niboshi/chainer,truongdq/chainer,chainer/chainer,truongdq/chainer,keisuke-umezawa/chainer,hvy/chainer,ktnyt/chainer,wkentaro/chainer,delta2323/chainer,ronekko/chainer,hvy/chainer,t-abe/chainer,aonotas/chainer,keisuke-umezawa/chainer,tkerola/chainer,kiyukuta/chainer,ysekky/chainer,chainer/chainer,benob/chainer,cupy/cupy,ktnyt/chainer,wkentaro/chainer,okuta/chainer,jnishi/chainer,kashif/chainer,hvy/chainer,wkentaro/chainer,rezoo/chainer,jnishi/chainer,sinhrks/chainer,cupy/cupy,okuta/chainer,sinhrks/chainer,muupan/chainer,pfnet/chainer,wkentaro/chainer,okuta/chainer,cemoody/chainer,kikusu/chainer,okuta/chainer,jnishi/chainer,keisuke-umezawa/chainer,niboshi/chainer,cupy/cupy,hvy/chainer,AlpacaDB/chainer,cupy/cupy,muupan/chainer,ktnyt/chainer,t-abe/chainer,jnishi/chainer,keisuke-umezawa/chainer,kikusu/chainer,niboshi/chainer,ktnyt/chainer,anaruse/chainer,chainer/chainer