From 00acd745f4327a4444936c87fe8c69ede9eb604b Mon Sep 17 00:00:00 2001
From: Ozzie Isaacs <ozzie.fernandes.isaacs@googlemail.com>
Date: Sat, 30 Dec 2023 19:08:57 +0100
Subject: [PATCH] Fix tornado deprecation warning

---
 cps/server.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cps/server.py b/cps/server.py
index 0b6d2fb3..ebf967e9 100644
--- a/cps/server.py
+++ b/cps/server.py
@@ -21,6 +21,7 @@ import os
 import errno
 import signal
 import socket
+import asyncio
 
 try:
     from gevent.pywsgi import WSGIServer
@@ -326,4 +327,5 @@ class WebServer(object):
                 if restart:
                     self.wsgiserver.call_later(1.0, self.wsgiserver.stop)
                 else:
-                    self.wsgiserver.add_callback_from_signal(self.wsgiserver.stop)
+                    self.wsgiserver.asyncio_loop.call_soon_threadsafe(self.wsgiserver.stop)
+