Don't use namespaces kwarg when calling find

Not all versions support this argument, and it wasn't actually
being used anyway.

django_cas/__init__.py

@@ -17,7 +17,6 @@ _DEFAULTS = {
 }
 
 CAS_URI = 'http://www.yale.edu/tp/cas'
-NSMAP = {'cas': CAS_URI}
 CAS = '{%s}' % CAS_URI
 
 for key, value in _DEFAULTS.iteritems():

django_cas/backends.py

@@ -6,7 +6,7 @@ from urlparse import urljoin
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist
 from django_cas.models import User, Tgt, PgtIOU
-from django_cas import CAS, NSMAP
+from django_cas import CAS
 
 __all__ = ['CASBackend']
 
@@ -56,9 +56,9 @@ def _verify_cas2(ticket, service):
     tree = ElementTree.fromstring(response)
     page.close()
 
-    if tree.find(CAS + 'authenticationSuccess', namespaces=NSMAP) is not None:
-        username = tree.find(CAS + 'authenticationSuccess/' + CAS + 'user', namespaces=NSMAP).text
-        pgtIouIdElement = tree.find(CAS + 'authenticationSuccess/' + CAS + 'proxyGrantingTicket', namespaces=NSMAP);
+    if tree.find(CAS + 'authenticationSuccess') is not None:
+        username = tree.find(CAS + 'authenticationSuccess/' + CAS + 'user').text
+        pgtIouIdElement = tree.find(CAS + 'authenticationSuccess/' + CAS + 'proxyGrantingTicket');
         pgtIouId = pgtIouIdElement.text if pgtIouIdElement is not None else None
 
         if pgtIouId:

django_cas/models.py

@@ -8,7 +8,7 @@ from django_cas.exceptions import CasTicketException, CasConfigException
 # Ed Crewe - add in signals to delete old tickets
 from django.db.models.signals import post_save
 from datetime import datetime, timedelta
-from django_cas import CAS, NSMAP
+from django_cas import CAS
 
 class Tgt(models.Model):
     username = models.CharField(max_length = 255, unique = True)
@@ -38,8 +38,8 @@ class Tgt(models.Model):
         try:
             response = page.read()
             tree = ElementTree.fromstring(response)
-            if tree.find(CAS + 'proxySuccess', namespaces=NSMAP) is not None:
-                return tree.find(CAS + 'proxySuccess/' + CAS + 'proxyTicket' , namespaces=NSMAP).text
+            if tree.find(CAS + 'proxySuccess') is not None:
+                return tree.find(CAS + 'proxySuccess/' + CAS + 'proxyTicket').text
             else:
                 raise CasTicketException("Failed to get proxy ticket")
         finally: