code style fix
code style fix

jnishi/chainer,ktnyt/chainer,okuta/chainer,anaruse/chainer,ronekko/chainer,ktnyt/chainer,jnishi/chainer,hvy/chainer,niboshi/chainer,ktnyt/chainer,wkentaro/chainer,wkentaro/chainer,okuta/chainer,chainer/chainer,wkentaro/chainer,niboshi/chainer,hvy/chainer,niboshi/chainer,hvy/chainer,chainer/chainer,wkentaro/chainer,aonotas/chainer,keisuke-umezawa/chainer,chainer/chainer,ktnyt/chainer,okuta/chainer,jnishi/chainer,rezoo/chainer,pfnet/chainer,keisuke-umezawa/chainer,chainer/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,okuta/chainer,hvy/chainer,tkerola/chainer,niboshi/chainer,jnishi/chainer