Raise CuPy not available error early in cuda.GpuDevice initialization
Raise CuPy not available error early in cuda.GpuDevice initialization

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