check-code: allow importing Python 3 modules
Now that we no longer support Python 2, we should be able to import and
use the Python 3 only modules in our code. So remove a lint banning this.
Differential Revision: https://phab.mercurial-scm.org/D12284
# __init__.py - Startup and module loading logic for Mercurial.
#
# Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
# Allow 'from mercurial import demandimport' to keep working.
import hgdemandimport
demandimport = hgdemandimport