From 422a6305964160fe9a3b9aa78ff54a27153a6df4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Mon, 18 Apr 2016 12:05:26 +0200
Subject: [PATCH] sessions: make sure session.visited_objects is as dict
 (#10687)

---
 wcs/sessions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcs/sessions.py b/wcs/sessions.py
index ff5215f..56b234a 100644
--- a/wcs/sessions.py
+++ b/wcs/sessions.py
@@ -110,7 +110,7 @@ class BasicSession(Session):
 
     def unmark_visited_object(self, object_key):
         # remove from current session
-        if object_key in getattr(self, 'visiting_objects', {}):
+        if object_key in getattr(self, 'visiting_objects', None) or {}:
             del self.visiting_objects[object_key]
         # and from others
         for session in self.__class__.select():
-- 
2.8.0.rc3