nwg-display tries to interact through GObject, and if gtk-layer-shell isn't compiled with USE=introspection, nwg-display fails and crashes: Traceback (most recent call last): File "/usr/lib/python3.12/site-packages/nwg_displays/main.py", line 24, in <module> gi.require_version('GtkLayerShell', '0.1') File "/usr/lib/python3.12/site-packages/gi/__init__.py", line 126, in require_version raise ValueError('Namespace %s not available' % namespace) ValueError: Namespace GtkLayerShell not available During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python-exec/python3.12/nwg-displays", line 5, in <module> from nwg_displays.main import main File "/usr/lib/python3.12/site-packages/nwg_displays/main.py", line 26, in <module> raise RuntimeError('\n\n' + RuntimeError: If you haven't installed GTK Layer Shell, you need to point Python to the library by setting GI_TYPELIB_PATH and LD_LIBRARY_PATH to <build-dir>/src/. For example you might need to run: GI_TYPELIB_PATH=build/src LD_LIBRARY_PATH=build/src python3 /usr/lib/python-exec/python3.12/nwg-displays
