diff --git a/rest_auth/models.py b/rest_auth/models.py
index b496706..13d4f74 100644
--- a/rest_auth/models.py
+++ b/rest_auth/models.py
@@ -1,12 +1,12 @@
 from django.conf import settings
 
 if getattr(settings, 'REST_USE_KNOX', False):
-	try:
+    try:
         from knox.models import AuthToken as DefaultTokenModel
     except ImportError:
         raise ImportError("Install django-rest-knox to use REST_USE_KNOX = True")
 else:
-	from rest_framework.authtoken.models import Token as DefaultTokenModel
+    from rest_framework.authtoken.models import Token as DefaultTokenModel
 
 from .utils import import_callable