fix syntax error
fix syntax error

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