From 94c4bce45f9c5656128d8a0c4437c4ecaa13e1df Mon Sep 17 00:00:00 2001
From: igeni <kublin@it8.ru>
Date: Fri, 22 Mar 2024 09:18:00 +0300
Subject: [PATCH] changed concat of strings to f-strings and redundant type
 conversion was removed

---
 qlib/data/client.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qlib/data/client.py b/qlib/data/client.py
index b6733fd3ad..a9b4b2edf7 100644
--- a/qlib/data/client.py
+++ b/qlib/data/client.py
@@ -35,7 +35,7 @@ def __init__(self, host, port):
     def connect_server(self):
         """Connect to server."""
         try:
-            self.sio.connect("ws://" + self.server_host + ":" + str(self.server_port))
+            self.sio.connect(f"ws://{self.server_host}:{self.server_port}")
         except socketio.exceptions.ConnectionError:
             self.logger.error("Cannot connect to server - check your network or server status")