From 2f29be17122d20a5c0b742cd15df96ec22502e00 Mon Sep 17 00:00:00 2001
From: Guillaume Pellerin <yomguy@parisson.com>
Date: Sun, 20 Jul 2014 21:32:41 +0200
Subject: [PATCH] try bugfix

---
 teleforma/models/pro.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/teleforma/models/pro.py b/teleforma/models/pro.py
index b50ebe13..e89fc8ca 100755
--- a/teleforma/models/pro.py
+++ b/teleforma/models/pro.py
@@ -325,6 +325,6 @@ class SeminarRevision(models.Model):
 
     def delta(self):
         if self.date_modified:
-            return date_modified - date
+            return self.date_modified - self.date
         else:
             return None
-- 
2.39.5