diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 64b1d6cdcdd3be0122a7067330529f0c405700b2..cda8bfb646f725855d2092acec88582f2cb2ee38 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -3,6 +3,7 @@ import taos
 import sys
 import os
 import time
+
 from pathlib import Path
 from util.log import *
 from util.sql import *