--- a/mercurial/utils/storageutil.py	Thu Aug 22 16:47:31 2019 -0700
+++ b/mercurial/utils/storageutil.py	Sun Aug 18 00:45:33 2019 +0300
@@ -22,8 +22,8 @@
     error,
     mdiff,
     pycompat,
-    repository,
 )
+from ..interfaces import repository
 
 _nullhash = hashlib.sha1(nullid)