Add missing type signature

paircd/handler/privmsg.py

@@ -4,7 +4,6 @@ from paircd.message import Message
 from paircd.reply import (
     ERR_NOSUCHNICK,
     ERR_NOTEXTTOSEND,
-    ERR_NOTREGISTERED,
     PRIVMSG,
     RPL_AWAY,
 )

paircd/main.py

@@ -50,10 +50,9 @@ async def serve() -> None:
         await server.serve_forever()
 
 
-def main():
+def main() -> None:
     asyncio.run(serve())
 
 
 if __name__ == "__main__":
     main()
-