convert list and numpy array to ndarray while preparing for adv-indexing
convert list and numpy array to ndarray while preparing for adv-indexing

niboshi/chainer,chainer/chainer,aonotas/chainer,niboshi/chainer,wkentaro/chainer,ktnyt/chainer,jnishi/chainer,tkerola/chainer,rezoo/chainer,jnishi/chainer,okuta/chainer,keisuke-umezawa/chainer,anaruse/chainer,ronekko/chainer,hvy/chainer,hvy/chainer,hvy/chainer,kashif/chainer,niboshi/chainer,keisuke-umezawa/chainer,cupy/cupy,ysekky/chainer,ktnyt/chainer,pfnet/chainer,ktnyt/chainer,keisuke-umezawa/chainer,niboshi/chainer,okuta/chainer,hvy/chainer,jnishi/chainer,keisuke-umezawa/chainer,delta2323/chainer,chainer/chainer,ktnyt/chainer,cupy/cupy,kiyukuta/chainer,chainer/chainer,okuta/chainer,jnishi/chainer,okuta/chainer,wkentaro/chainer,cupy/cupy,cupy/cupy,chainer/chainer,wkentaro/chainer,wkentaro/chainer