config: use '_config' within 'configbytes'
This will prevent bugs from using None as the sentinel value (eg:
'ui.interactive')
# base85.py: pure python base85 codec
#
# Copyright (C) 2009 Brendan Cully <brendan@kublai.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 __future__ import absolute_import
from ..pure.base85 import *