From 31f5e876a56f3a1bad58d65b5313523741065335 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Neuh=C3=A4user?= <ich@danielneuhaeuser.de>
Date: Sun, 15 Aug 2010 18:08:00 +0200
Subject: [PATCH] Return doctree in get_old_doctree

---
 sphinx/builders/versioning.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sphinx/builders/versioning.py b/sphinx/builders/versioning.py
index c47dcc98a..6c2bccca4 100644
--- a/sphinx/builders/versioning.py
+++ b/sphinx/builders/versioning.py
@@ -40,6 +40,7 @@ class VersioningBuilderMixin(object):
         doctree.settings.env = self.env
         doctree.reporter = Reporter(self.env.doc2path(docname), 2, 5,
                                     stream=WarningStream(self.env._warnfunc))
+        return doctree
 
     def resave_doctree(self, docname, doctree):
         reporter = doctree.reporter