service should be OK since uses proxyValidate by default

django_cas/backends.py

@@ -120,11 +120,6 @@ class CASBackend(object):
         """Verifies CAS ticket and gets or creates User object
            NB: Use of PT to identify proxy
         """
-        #if ticket.startswith('PT'):
-        #    authdict = verify_proxy_ticket(ticket, service)
-        #    if authdict:
-        #        username = authdict.get('username','')
-        #else:
         username = _verify(ticket, service)
         if not username:
             return None