From 8a44daef7e0c7f77de59a37ac37e1f410ead55ed Mon Sep 17 00:00:00 2001
From: Griatch <griatch@gmail.com>
Date: Sat, 18 Aug 2012 23:35:11 +0200
Subject: [PATCH] Further changes to allow dbrefs to be 0.

---
 src/typeclasses/managers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/typeclasses/managers.py b/src/typeclasses/managers.py
index 87505e942a..f0bb46d898 100644
--- a/src/typeclasses/managers.py
+++ b/src/typeclasses/managers.py
@@ -76,7 +76,7 @@ class TypedObjectManager(idmapper.manager.SharedMemoryManager):
         if isinstance(dbref, basestring):
             dbref = dbref.lstrip('#')
         try:
-            if int(dbref) < 1:
+            if int(dbref) < 0:
                 return None
         except Exception:
             return None