How to use the gbulb.glib_events._GtkLoopImplem function in gbulb

def run_forever(self, gtk=False, application=None):
        """Run the event loop until stop() is called."""

        assert not (gtk and application is not None)

        if self._loop_implem is not None:
            raise RuntimeError('Event loop is running.')

        if application is not None:
            assert self._context == GLib.main_context_default()
            lh = _GApplicationLoopImplem(self, application)
        elif gtk or self._gtk:
            lh = _GtkLoopImplem(self)
        elif self._application is not None:
            lh = _GApplicationLoopImplem(self, self._application)
            self._application = None
        else:
            lh = _GLibLoopImplem(self)

        # We do not run the callbacks immediately. We need to call them
        # when the Gtk loop is running, in case one callback calls .stop()
        self._schedule_dispatch()

        try:
            self._loop_implem = lh

            lh.run()

            if self._interrupted: