[Integrated] RFR: Ensure Python 3 compatibility for the hg extension

[Robin Westberg]

Changeset: 59405b73
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-11-26 08:45:48 +0000
URL:       https://git.openjdk.java.net/skara/commit/59405b73

Ensure Python 3 compatibility for the hg extension

Reviewed-by: ehelin

! vcs/src/main/resources/ext.py