histedit: always define update results
Before, we had a branch that could return None for the update stats.
Let's just return an updateresult instance instead.
Differential Revision: https://phab.mercurial-scm.org/D2693
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)