RFR: Python 3 compatibility for mercurial extension

[Erik Helin]

On Wed, 22 Apr 2020 08:28:46 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

> Hi all,
> 
> Please review this change that makes the mercurial extension python 3 compatible.
> 
> Best regards,
> Robin

Looks good, thanks for fixing this!

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Marked as reviewed by ehelin (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/593