--- a/mercurial/testing/storage.py Thu Aug 22 16:47:31 2019 -0700 +++ b/mercurial/testing/storage.py Sun Aug 18 00:45:33 2019 +0300 @@ -17,6 +17,8 @@ from .. import ( error, mdiff, +) +from ..interfaces import ( repository, ) from ..utils import (