From f430bfeb4c695167b2beb5accdc313a94ec80762 Mon Sep 17 00:00:00 2001
From: Mika Fischer <fischer@videmo.de>
Date: Fri, 30 Sep 2011 14:41:22 +0200
Subject: [PATCH] Fix bug when default_properties is None

---
 sloth/items/inserters.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sloth/items/inserters.py b/sloth/items/inserters.py
index dda69b8..28e9749 100644
--- a/sloth/items/inserters.py
+++ b/sloth/items/inserters.py
@@ -14,7 +14,7 @@ class ItemInserter(QObject):
         QObject.__init__(self)
         self._labeltool          = labeltool
         self._scene              = scene
-        self._default_properties = default_properties
+        self._default_properties = default_properties if default_properties is not None else {}
         self._prefix             = prefix
         self._ann                = {}
         self._commit             = commit