From 1ab782a430afe479535ee5bded81806dee189b69 Mon Sep 17 00:00:00 2001
From: dpanesso <dpanesso@serempre.com>
Date: Wed, 3 Sep 2014 23:38:03 -0500
Subject: [PATCH] Using user.get_username() instead of user.username.

This solves an error when using a auth model that does not have a username field.
---
 rest_framework/authentication.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index 5721a869e..f3fec05ec 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -344,7 +344,7 @@ class OAuth2Authentication(BaseAuthentication):
         user = token.user
 
         if not user.is_active:
-            msg = 'User inactive or deleted: %s' % user.username
+            msg = 'User inactive or deleted: %s' % user.get_username()
             raise exceptions.AuthenticationFailed(msg)
 
         return (user, token)