@layout.setter
    def layout(self, layout):
        for index, obj in enumerate(self.layouts):
            if obj.name == layout:
                self.currentLayout = index
                hook.fire(
                    "layout_change",
                    self.layouts[self.currentLayout],
                    self
                )
                self.layoutAll()
                return
        raise ValueError("No such layout: %s" % layout)
Field Test for when Blank
dataset/ETHPy150Open qtile/qtile/libqtile/group.py/_Group.layout--crossover with--dataset/ETHPy150Open stefanfoulis/django-phonenumber-field/testproject/testapp/tests.py/PhonenumerFieldAppTest.test_save_blank_phone_to_database