=== modified file 'UnityTweakTool/__init__.py'
--- UnityTweakTool/__init__.py	2013-04-05 21:31:52 +0000
+++ UnityTweakTool/__init__.py	2013-05-19 01:17:28 +0000
@@ -86,6 +86,7 @@
 
         self.register_dbus_session()
         self.run(pageid)
+        os.remove(LOCKFILE)
 
     def run(self,pageid):
         from UnityTweakTool.config.data import get_data_path