 Return tuple for TupleDataset
 Return tuple for TupleDataset

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