--- a/server/sources/__init__.py	Fri Feb 12 12:57:14 2010 +0100
+++ b/server/sources/__init__.py	Fri Feb 12 12:57:56 2010 +0100
@@ -291,7 +291,7 @@
         """
         pass
 
-    def authenticate(self, session, login, password):
+    def authenticate(self, session, login, **kwargs):
         """if the source support CWUser entity type, it should implements
         this method which should return CWUser eid for the given login/password
         if this account is defined in this source and valid login / password is