respect the coding standard (fix a missed part)
respect the coding standard (fix a missed part)

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