fix code style

jemygraw · jemygraw · commit 1392a6fed89a · 2017-06-05T11:02:42.000+08:00
diff --git a/qiniu/auth.py b/qiniu/auth.py
@@ -37,6 +37,7 @@
     'deleteAfterDays',      # 文件多少天后自动删除
 ])
 
+
 class Auth(object):
     """七牛安全机制类
 
