diff --git a/rest_framework/throttling.py b/rest_framework/throttling.py
index 3af69c4ad..832886b99 100644
--- a/rest_framework/throttling.py
+++ b/rest_framework/throttling.py
@@ -5,7 +5,6 @@ import time
 
 from django.core.cache import cache as default_cache
 from django.core.exceptions import ImproperlyConfigured
-
 from rest_framework.settings import api_settings