Using positional arguments with the GObject constructor has been deprecated
phil@development ~/Arbeitsfläche $ manjaro-software-install-tool.py
(manjaro-software-install-tool.py:5531): dbind-WARNING **: 00:05:57.264: Couldn't connect to accessibility bus: Empty address ''
/usr/bin/manjaro-software-install-tool.py:45: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
self.installbutton = Gtk.Button("Install Selected Packages")