Fix extension
Fix extension

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