Use string.ascii_letters instead of string.letters in utils._generate_string to preve...

diff --git a/cas_provider/utils.py b/cas_provider/utils.py
index 3d64c16..04a5c12 100644 (file)
--- a/cas_provider/utils.py
+++ b/cas_provider/utils.py
@@ -3,9 +3,9 @@ import string
 
 from models import ServiceTicket, LoginTicket
 
-def _generate_string(length=8, chars=string.letters + string.digits):
+def _generate_string(length=8, chars=string.ascii_letters + string.digits):
     """ Generates a random string of the requested length. Used for creation of tickets. """
-    return ''.join(Random().sample(string.letters+string.digits, length))
+    return ''.join(Random().sample(chars, length))
 
 def create_service_ticket(user, service):
     """ Creates a new service ticket for the specified user and service.