--- a/svghmi/svghmi_server.py	Tue Aug 06 15:25:57 2024 +0200
+++ b/svghmi/svghmi_server.py	Thu Aug 08 14:56:13 2024 +0200
@@ -174,7 +174,6 @@
         self.lock = RLock()
         self.initial_timeout = initial_timeout
         self.interval = interval
-        self.callback = callback
         with self.lock:
             self._start()