Traceback (most recent call last):
  File "/usr/bin/gnome-music", line 84, in <module>
    app = Application()
  File "/usr/lib/python3/dist-packages/gnomemusic/__init__.py", line 55, in wrapped
    retval = fn(*v, **k)
  File "/usr/lib/python3/dist-packages/gnomemusic/application.py", line 60, in __init__
    cssProvider.load_from_file(cssProviderFile)
GLib.Error: gtk-css-provider-error-quark: application.css:23:21'-gtk-key-bindings' is not a valid property name (3)
