Fix unicode for py2
Fix unicode for py2

Fix unicode for py2

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