diff --git a/mercurial/pvec.py b/mercurial/pvec.py
--- a/mercurial/pvec.py
+++ b/mercurial/pvec.py
@@ -48,7 +48,7 @@
   different branches
 '''
 
-from __future__ import absolute_import, division
+from __future__ import absolute_import
 
 from .node import nullrev
 from . import (