tests: fix http-bad-server expected errors for python 3.10 (issue6643)
The format of the error message changed with this version of Python.
This also removes obsolete Python 3 checks.
# mergeutil.py - help for merge processing in mercurial
#
# Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from .i18n import _
from . import error
def checkunresolved(ms):
if ms.unresolvedcount():
raise error.StateError(
_(b"unresolved merge conflicts (see 'hg help resolve')")
)