Corrected shipherd Navigation cache clearing and made grappelli attribute inline...

[philo.git] / contrib / shipherd / models.py

diff --git a/contrib/shipherd/models.py b/contrib/shipherd/models.py
index e43e8d9..72bd775 100644 (file)
--- a/contrib/shipherd/models.py
+++ b/contrib/shipherd/models.py
@@ -111,7 +111,7 @@ class NavigationManager(TreeManager):
                """
                if navigation is None:
                        self.__class__._cache.clear()
-               else:
+               elif self.db in self.__class__._cache:
                        cache = self.__class__._cache[self.db]
                        for pk, qs in cache.items():
                                if navigation in qs: