From 1695cd24ea557c7d8e8d1313c7181eab67ff0763 Mon Sep 17 00:00:00 2001
From: Valentin Samir <valentin.samir@crans.org>
Date: Fri, 5 Jun 2015 00:14:56 +0200
Subject: [PATCH] filter attributs does not necessary exists

---
 cas_server/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cas_server/models.py b/cas_server/models.py
index 0f16a68..35ef411 100644
--- a/cas_server/models.py
+++ b/cas_server/models.py
@@ -175,8 +175,8 @@ class ServicePattern(models.Model):
         if self.restrict_users and not self.usernames.filter(value=user.username):
             raise BadUsername()
         for filtre in self.filters.all():
-            if isinstance(user.attributs[filtre.attribut], list):
-                attrs = user.attributs[filtre.attribut]
+            if isinstance(user.attributs.get(filtre.attribut, []), list):
+                attrs = user.attributs.get(filtre.attribut, [])
             else:
                 attrs = [user.attributs[filtre.attribut]]
             for value in attrs: