hgext/__init__.py

templatekw: fix dict construction in _showlist to not mix bytes and strs

What we had was fine on Python 2, but was slightly wrong on Python
3. This works on both.

Differential Revision: https://phab.mercurial-scm.org/D2554

from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)