index: avoid duplicating capacity-growth expression
We were duplicating the "*2" instead of reusing it. It's overflow-safe
to reuse as long as the growth factor (i.e. currently 2) is not larger
than sizeof(nodetreenode) (currently 64 or 128).
Differential Revision: https://phab.mercurial-scm.org/D4165
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)