setup: convert version strings to unicode on Python 3 Fixes the following error: stderr from 'hg log -T x -r only(.,'b'4.4.2'')': b' hg: parse error at 10: unexpected token: symbol'

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}