Remove redundant slicing
Remove redundant slicing

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