diff --git a/tools/aws_benchmarking/paddle_banchmarking_aws.py b/tools/aws_benchmarking/paddle_banchmarking_aws.py
index 5e36f827a877d3423427aa531592cbf2a3c9463c..f6512d923ce6fb1a81aea7f53514e883bab3f5fd 100644
--- a/tools/aws_benchmarking/paddle_banchmarking_aws.py
+++ b/tools/aws_benchmarking/paddle_banchmarking_aws.py
@@ -318,7 +318,6 @@ def cleanup(task_name):
     ec2client.delete_subnet(SubnetId=subnet["Subnets"][0]["SubnetId"])
 
     # no subnet delete waiter, just leave it.
-
     return