Python2 compatibility
Python2 compatibility

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