Fix: use the correct ValidationError class

diff --git a/cas_provider/forms.py b/cas_provider/forms.py
index 47c2fdc..652f437 100644 (file)
--- a/cas_provider/forms.py
+++ b/cas_provider/forms.py
@@ -1,7 +1,7 @@
 from django import forms
 from django.conf import settings
 from django.contrib.auth import authenticate
-from django.core.exceptions import ValidationError
+from django.forms import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from models import LoginTicket
 import datetime