Use url functions from Django itself.

rest_framework/tests/test_authentication.py

@@ -20,7 +20,7 @@ from rest_framework.authentication import (
     OAuth2Authentication
 )
 from rest_framework.authtoken.models import Token
-from rest_framework.compat import patterns, url, include, six
+from rest_framework.compat import six
 from rest_framework.compat import oauth2_provider, oauth2_provider_scope
 from rest_framework.compat import oauth, oauth_provider
 from rest_framework.test import APIRequestFactory, APIClient