Reverted #458

When incorrect parameters are supplied to the obtain auth token view
400 *is* the correct response.

1 files changed, 1 insertions, 1 deletions

diff --git a/rest_framework/authtoken/serializers.py b/rest_framework/authtoken/serializers.py
index a5ed6e6d..60a3740e 100644
--- a/rest_framework/authtoken/serializers.py
+++ b/rest_framework/authtoken/serializers.py
@@ -1,6 +1,7 @@
 from django.contrib.auth import authenticate
 from rest_framework import serializers
 
+
 class AuthTokenSerializer(serializers.Serializer):
     username = serializers.CharField()
     password = serializers.CharField()
@@ -21,4 +22,3 @@ class AuthTokenSerializer(serializers.Serializer):
                 raise serializers.ValidationError('Unable to login with provided credentials.')
         else:
             raise serializers.ValidationError('Must include "username" and "password"')
-