Autogenerated type safety parameterisation of all methods

spothole.py

@@ -1,8 +1,11 @@
 # Main script
+from __future__ import annotations
+
 import logging
 import os
 import signal
 import sys
+from types import FrameType
 
 from core.cleanup import CLEANUP_TIMER
 from core.config import LOG_LEVEL, SERVER_OWNER_CALLSIGN, TELNET_SERVER_ENABLED, TELNET_SERVER_PORT
@@ -18,7 +21,7 @@ logger = logging.getLogger(__name__)
 _shutdown_in_progress = False
 
 
-def shutdown(_signum=None, _frame=None):
+def shutdown(_signum: int | None = None, _frame: FrameType | None = None) -> None:
     """Shutdown function"""
 
     # Check if this is the second time a shutdown was asked for, if so immediately kill the program.