Add Array device attr Python binding
Add Array device attr Python binding

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