[PATCH] transplant: use hex directly

[Augie Fackler]

On Mon, Feb 29, 2016 at 11:30:39PM -0600, timeless wrote:
> # HG changeset patch
> # User timeless <timeless at mozdev.org>
> # Date 1456808023 0
> #      Tue Mar 01 04:53:43 2016 +0000
> # Node ID 7e6c4a1aefec8ef0047c58a76e8775b8a14768ff
> # Parent  c7f89ad87baef87f00c507545dfd4cc824bc3131
> transplant: use hex directly

from mercurial.node import hex forces demandimport to resolve the
module early. Instead reference it as node.hex in this file, and
import the module.

(I know 'from mercurial.node import hex' is common throughout hg, but
I still don't like it.)