From 28bc2e232fd5cda9d81f878cdc3160aa9c0d255a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Andr=C3=A9s=20Rocha?= <rocha@edx.org>
Date: Thu, 7 Nov 2013 18:37:09 -0500
Subject: [PATCH] Fix error on external_auth djangostore

Don't raise an exception when an association is not found.
---
 common/djangoapps/external_auth/djangostore.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/djangoapps/external_auth/djangostore.py b/common/djangoapps/external_auth/djangostore.py
index 3a6848f11f..8b830e0aa9 100644
--- a/common/djangoapps/external_auth/djangostore.py
+++ b/common/djangoapps/external_auth/djangostore.py
@@ -87,7 +87,7 @@ class DjangoOpenIDStore(OpenIDStore):
                 cache.delete(key)
                 removed = True
             else:
-                assoc = associations.pop(handle)
+                assoc = associations.pop(handle, None)
                 if assoc:
                     cache.set(key, associations, DEFAULT_ASSOCIATIONS_TIMEOUT)
                     removed = True