Added missing import to forms/fields.py

diff --git a/forms/fields.py b/forms/fields.py
index 9da6552..b148947 100644 (file)
--- a/forms/fields.py
+++ b/forms/fields.py
@@ -1,4 +1,5 @@
 from django import forms
+from django.core.exceptions import ValidationError
 from django.utils import simplejson as json
 from philo.validators import json_validator