--- pyuic/uic/Loader/loader.py	2010-07-12 12:41:21.000000000 +0200
+++ pyuic/uic/Loader/loader.py	2010-07-17 11:02:19.438193541 +0200
@@ -21,4 +21,4 @@
     def loadUi(self, filename, toplevelInst=None):
         self.toplevelInst = toplevelInst
 
-        return self.parse(filename, os.path.dirname(filename))
+        return self.parse(filename, os.path.dirname(str(filename)))