From c715cac1bde384f3452633c97ede9725abf0a7a1 Mon Sep 17 00:00:00 2001
From: Jannis Leidel <jannis@leidel.info>
Date: Mon, 15 Jun 2015 20:37:14 +0200
Subject: [PATCH] Fix bug 1174820 - Revert the get_previous changes made in bug
 #1169673.

---
 kuma/wiki/models.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/kuma/wiki/models.py b/kuma/wiki/models.py
index 854780c600b..9fba18278a8 100644
--- a/kuma/wiki/models.py
+++ b/kuma/wiki/models.py
@@ -1825,8 +1825,11 @@ def get_previous(self):
         Returns the previous approved revision or None.
         """
         try:
-            return self.get_previous_by_created(is_approved=True)
-        except Revision.DoesNotExist:
+            return self.document.revisions.filter(
+                is_approved=True,
+                created__lt=self.created,
+            ).order_by('-created')[0]
+        except IndexError:
             return None
 
     @cached_property