def widget_grab_keyboard(self, widget):
        self.window.handle_KeyPress = widget.handle_KeyPress
        self.saved_focus = self.qtile.currentWindow
        self.window.window.set_input_focus()
Read-only serializers.should be serialized.
dataset/ETHPy150Open qtile/qtile/libqtile/bar.py/Bar.widget_grab_keyboard--crossover with--dataset/ETHPy150Open tomchristie/django-rest-framework/tests/test_fields.py/TestReadOnly.test_serialize_read_only