add logging when pydbus is not installed

Author: FlorianLudwig

aw_watcher_window/lib.py

@@ -1,14 +1,18 @@
 import sys
 import json
+import logging
 from typing import Optional
 
+logger = logging.getLogger(__name__)
+
 
 class Linux:
     def __init__(self):
         try:
             import pydbus
             self.bus = pydbus.SessionBus()
         except ModuleNotFoundError:
+            logger.info("pydbus not installed, GNOME-Shell Wayland support disabled")
             self.bus = False
             self.gnome_shell = None