From 6d17bdf5b345230cb7d1e1e5dc1069328357e480 Mon Sep 17 00:00:00 2001
From: Mika Fischer <fischer@videmo.de>
Date: Fri, 17 Jun 2011 16:26:49 +0200
Subject: [PATCH] Avoid error message when current item in treeview is reset

---
 sloth/core/labeltool.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sloth/core/labeltool.py b/sloth/core/labeltool.py
index 2e24e6a..1c3481e 100755
--- a/sloth/core/labeltool.py
+++ b/sloth/core/labeltool.py
@@ -284,6 +284,8 @@ class LabelTool(QObject):
     def setCurrentImage(self, image):
         if isinstance(image, QModelIndex):
             image = self._model.itemFromIndex(image)
+        if isinstance(image, RootModelItem):
+            return
         while (image is not None) and (not isinstance(image, ImageModelItem)):
             image = image.parent()
         if image is None: