Bugfix: bad loading of plugins urls.

extensions/__init__.py

@@ -17,7 +17,10 @@ def loadextensions():
         globals()['extensions'] += [module]
     
 def loadmenus():
-    result = ()
+    result = []
     for mod in extensions:
-        result += mod.main.urls()
+        u = mod.main.urls()
+        if u == ():
+            continue
+        result += (u,)
     return result

urls.py

@@ -28,7 +28,7 @@ urlpatterns = patterns('',
 )
 menus = loadmenus()
 if menus != ():
-    urlpatterns += patterns('', menus)
+    urlpatterns += patterns('', *menus)
 
 if settings.DEBUG:
     urlpatterns += patterns(