diff --git a/tests/pytest/client/nettest.py b/tests/pytest/client/nettest.py
index 911462bf64eecd824bb8710036dbe2924ecc03a8..e42603db7e672efff7d977092c69c12c668279be 100644
--- a/tests/pytest/client/nettest.py
+++ b/tests/pytest/client/nettest.py
@@ -46,6 +46,7 @@ class TDTestCase:
         except Exception as result3:
             if result3 ==1:
                 tdLog.exit('the shell"taos -n fqdn" is wrong')
+                
 
     
     def stop(self):
@@ -55,4 +56,4 @@ class TDTestCase:
 
 
 tdCases.addWindows(__file__, TDTestCase())
-tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
+tdCases.addLinux(__file__, TDTestCase())