Fix the problem not equal two types 'numpy.int32'
Fix the problem not equal two types 'numpy.int32'

cupy/cupy,hvy/chainer,kashif/chainer,keisuke-umezawa/chainer,cupy/cupy,hvy/chainer,wkentaro/chainer,niboshi/chainer,cupy/cupy,rezoo/chainer,niboshi/chainer,pfnet/chainer,ronekko/chainer,anaruse/chainer,kiyukuta/chainer,cupy/cupy,jnishi/chainer,hvy/chainer,jnishi/chainer,wkentaro/chainer,chainer/chainer,niboshi/chainer,ktnyt/chainer,wkentaro/chainer,keisuke-umezawa/chainer,jnishi/chainer,ktnyt/chainer,wkentaro/chainer,ktnyt/chainer,keisuke-umezawa/chainer,okuta/chainer,tkerola/chainer,ktnyt/chainer,niboshi/chainer,jnishi/chainer,chainer/chainer,keisuke-umezawa/chainer,aonotas/chainer,okuta/chainer,delta2323/chainer,hvy/chainer,okuta/chainer,okuta/chainer,chainer/chainer,ysekky/chainer,chainer/chainer