--- a/mercurial/obsolete.py Sat Sep 30 07:44:45 2017 -0400
+++ b/mercurial/obsolete.py Sat Sep 30 07:44:55 2017 -0400
@@ -542,7 +542,6 @@
raise
# just build an empty _all list if no obsstore exists, which
# avoids further stat() syscalls
- pass
return bool(self._all)
__bool__ = __nonzero__