def get_response(self):
        context = self.get_context()

        return TemplateResponse(self.request, self.object_history_template and
                                self.get_template_list('views/model_history.html'), context, current_app=self.admin_site.name)
dataset/ETHPy150Open sshwsfc/xadmin/xadmin/plugins/xversion.py/RevisionListView.get_response/operator `or` -> `and`