Merge pull request odoo#621 from odoo-dev/saas-4-fix_actions_server_c…

…ontroller_return-vta

[FIX] website: controller for server actions should accept basic werkzeug requests (e.g. redirections)

addons/website/controllers/main.py

@@ -414,7 +414,7 @@ def actions_server(self, path_or_xml_id_or_id, **post):
             action = ServerActions.browse(cr, uid, action_id, context=context)
             if action.state == 'code' and action.website_published:
                 action_res = ServerActions.run(cr, uid, [action_id], context=context)
-                if isinstance(action_res, Response):
+                if isinstance(action_res, werkzeug.wrappers.Response):
                     res = action_res
         if res:
             return res