Use serializers.ValidationError

Per django rest framework docs, and to prevent confusion with Django's ValidationError, `serializers.ValidationError` is preferred to `exceptions.ValidationError`.

Author: mcastle

rest_framework/authtoken/serializers.py

@@ -1,7 +1,7 @@
 from django.contrib.auth import authenticate
 from django.utils.translation import ugettext_lazy as _
 
-from rest_framework import exceptions, serializers
+from rest_framework import serializers
 
 
 class AuthTokenSerializer(serializers.Serializer):
@@ -18,13 +18,13 @@ def validate(self, attrs):
  if user:
  if not user.is_active:
  msg = _('User account is disabled.')
- raise exceptions.ValidationError(msg)
+ raise serializers.ValidationError(msg)
  else:
  msg = _('Unable to log in with provided credentials.')
- raise exceptions.ValidationError(msg)
+ raise serializers.ValidationError(msg)
  else:
  msg = _('Must include "username" and "password".')
- raise exceptions.ValidationError(msg)
+ raise serializers.ValidationError(msg)
 
  attrs['user'] = user
  return attrs