Check if spatial_scale is positive
Check if spatial_scale is positive

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