Fix Initializer class
Fix Initializer class

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