--- a/mercurial/revset.py Mon Oct 27 23:47:41 2014 -0500
+++ b/mercurial/revset.py Tue Oct 28 14:06:06 2014 -0700
@@ -2500,7 +2500,7 @@
return len(self._list)
def __nonzero__(self):
- return bool(self._r1 or self._r2)
+ return bool(self._r1) or bool(self._r2)
@util.propertycache
def _list(self):