def check_existence_of_new_service_and_add_it(self, data_service): # DB CONNECTION db = MyDB() service_text = self.new_service_box.text location_id = self.location_button.id_object service_exist = db.check_existence_of_new_service_and_add_it_db(data_service, service_text, location_id) self.new_service_box.text = "" self.service_listbox.service_listview.adapter.data = self.service_listbox.get_service_list()