diff --git a/airtest/core/ios/ios.py b/airtest/core/ios/ios.py
index 77fb2bd1..8090eb0c 100644
--- a/airtest/core/ios/ios.py
+++ b/airtest/core/ios/ios.py
@@ -28,8 +28,6 @@
 DEFAULT_ADDR = "http://localhost:8100/"
 
 # retry when saved session failed
-
-
 def retry_session(func):
     def wrapper(self, *args, **kwargs):
         try: