graft: move `if continue` to elif and add new line
This will make upcoming patch where we introduce a new elif for the abort case
more readable. Also added a new line before the if-else starts.
Differential Revision: https://phab.mercurial-scm.org/D3752
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)