Does not work. $ /usr/bin/qreator /usr/share/qreator/qreator_lib/Builder.py:21: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded. from gi.repository import GObject, Gtk # pylint: disable=E0611 Traceback (most recent call last): File "/usr/bin/qreator", line 45, in