Index: turbogears/config.py
===================================================================
--- turbogears/config.py	(revision 4403)
+++ turbogears/config.py	(working copy)
@@ -172,9 +172,14 @@
             configfiles = [modfile]
         configdata = ConfigObj(unrepr=True)
         top_level_dir = pkg_resources.resource_filename(
-                        top_level_package, "")[:-1].replace("\\", "/")
+                        top_level_package, "").replace("\\", "/")
+        if top_level_dir[-1] == "/":
+            top_level_dir = top_level_dir[:-1]
         package_dir = pkg_resources.resource_filename(
-                        packagename, "")[:-1].replace("\\", "/")
+                        packagename, "").replace("\\", "/")
+        if package_dir[-1] == "/":
+            package_dir = package_dir[:-1]
+        
         defaults.update(dict(top_level_dir=top_level_dir,
                              package_dir=package_dir))
         configdata.merge(dict(DEFAULT=defaults))