diff -r 18f4951222f4 -r 74924fa3236d mercurial/context.py
--- a/mercurial/context.py	Fri Aug 02 16:49:01 2013 -0500
+++ b/mercurial/context.py	Fri Aug 02 16:50:13 2013 -0500
@@ -43,7 +43,7 @@
     def node(self):
         return self._node
     def hex(self):
-        return hex(self._node)
+        return hex(self.node())
 
 class changectx(basectx):
     """A changecontext object makes access to data related to a particular