changegroup: inline _packmanifests() into generatemanifests()
It is relatively small. Every other generate*() calls group()
directly. So the new code is consistent.
Differential Revision: https://phab.mercurial-scm.org/D4198
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)