add none assert
add none assert

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