@Slot()
def setup_data(self, data_list):
    self.source_model.clear()
    if data_list:
        self.source_model.set_data_list(data_list)
@Slot()
def setup_data(self, data_list):
    self.source_model.clear()
    if data_list:
        self.source_model.set_data_list(data_list)