Dediğiniz paketi kurdum PC tekrar yeniden başlatmadım ama çıktılar aşıdaki gibidir.
/usr/bin/wm-detect:6: PyGIWarning: Gdk was imported without specifying a version first. Use gi.require_version('Gdk', '3.0') before import to ensure that the right version gets loaded.
from gi.repository import Gdk
Desktop environment: X-Cinnamon
Window manager:
Compositing: enabled