Do not shutdown non-resources

diff --git a/zavai/registry.py b/zavai/registry.py
index cc2a1c0c5c3f0c86729604b47d88efd04a41c5a6..1694196bae6eaa8ddcf2aff731ea1e1f985f7461 100644 (file)
--- a/zavai/registry.py
+++ b/zavai/registry.py
@@ -92,7 +92,8 @@ class Registry(object):
 
         After shutting down, all objects cannot be used anymore"""
         for o in self.objects.itervalues():
-            o.shutdown()
+            if isinstance(o, Resource):
+                o.shutdown()
         self.objects.clear()
 
 class Resource(object):