diff --git a/python/ray/util/client/server/server.py b/python/ray/util/client/server/server.py
index 00088a7301c2..2d394bc19b45 100644
--- a/python/ray/util/client/server/server.py
+++ b/python/ray/util/client/server/server.py
@@ -892,7 +892,11 @@ def main():
     )
 
     hostport = "%s:%d" % (args.host, args.port)
-    args_str = str(args).replace(args.redis_password, "****") if args.redis_password else args_str
+    args_str = (
+        str(args).replace(args.redis_password, "****")
+        if args.redis_password
+        else args_str
+    )
     logger.info(f"Starting Ray Client server on {hostport}, args {args_str}")
     if args.mode == "proxy":
         server = serve_proxier(