_DEFAULTS = {
     'CAS_TICKET_EXPIRATION': 5, # In minutes
-    'CAS_CUSTOM_ATTRIBUTES_CALLBACK': None,
     'CAS_CUSTOM_ATTRIBUTES_FORMATER': 'cas_provider.attribute_formatters.jasig',
     'CAS_AUTO_REDIRECT_AFTER_LOGOUT': False,
 }
 
             element = etree.SubElement(auth_success, CAS + name)
             element.text = value
 
+
 def name_value(auth_success, attrs):
     etree.SubElement(auth_success, CAS + 'attribute', name=u'attraStyle', value=u'Name-Value')
     for name, value in attrs.items():
 
     attrs = {}
     for receiver, response in signals.cas_collect_custom_attributes.send(sender=auth_success_response, user=user):
         if response:
+            print "Got custom attributes:", response
             attrs.update(response)
 
     if attrs: