[PATCH 2 of 2 V3] encoding: use unicode literals to appease Python 3

[Yuya Nishihara]

On Tue, 12 Jul 2016 12:38:02 -0400, Augie Fackler wrote:
> On Mon, Jul 04, 2016 at 11:44:10AM -0700, Gregory Szorc wrote:
> > # HG changeset patch
> > # User Gregory Szorc <gregory.szorc at gmail.com>
> > # Date 1467657692 25200
> > #      Mon Jul 04 11:41:32 2016 -0700
> > # Node ID d0a5fd1255a1c7d9f09bcdc3d054e095a2e9bba9
> > # Parent  99a1ac83fe44142a9793a93e55b41aa052954842
> > encoding: use unicode literals to appease Python 3  
> 
> I think this series is regrettable, but required. I'm happy with it,
> but would like someone else to review.

The patch 1 seems fine, and great if we must avoid bulk rewriting to b''.