diff --git a/python/tests/utils.py b/python/tests/utils.py
index b1c3f3bfba..747ce285f9 100644
--- a/python/tests/utils.py
+++ b/python/tests/utils.py
@@ -83,7 +83,7 @@ def default_http3_listener_manifest():
   securityModel: XFP
   hostBinding:
     namespace:
-      from: ALL  
+      from: ALL
   """
 
 
@@ -103,7 +103,7 @@ def default_udp_listener_manifest():
   securityModel: XFP
   hostBinding:
     namespace:
-      from: ALL  
+      from: ALL
   """
 
 
@@ -123,7 +123,7 @@ def default_tcp_listener_manifest():
   securityModel: XFP
   hostBinding:
     namespace:
-      from: ALL  
+      from: ALL
   """