Simplify codes
Simplify codes

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