From 945819631cfe644c576162eb8dfc6e31e457f21c Mon Sep 17 00:00:00 2001
From: Benny Malengier <benny.malengier@gramps-project.org>
Date: Sat, 17 Nov 2012 10:28:35 +0000
Subject: [PATCH] python3 cannot compare None with str, so store '' as sortkey
 instead

svn: r20666
---
 gramps/gui/views/treemodels/treebasemodel.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gramps/gui/views/treemodels/treebasemodel.py b/gramps/gui/views/treemodels/treebasemodel.py
index 6f5b82696..fbbdd66ce 100644
--- a/gramps/gui/views/treemodels/treebasemodel.py
+++ b/gramps/gui/views/treemodels/treebasemodel.py
@@ -103,7 +103,7 @@ class Node(object):
                     self.sortkey = conv_unicode_tosrtkey(self.name)
         else:
             self.name = ''
-            self.sortkey = None
+            self.sortkey = ''
         self.ref = ref
         self.handle = handle
         self.secondary = secondary