def METHOD_NAME(self) -> AboutModel:
    database_schema_version = None
    try:
        database_schema_version = self._session.query(MigrateVersion).one().version_num
    except Exception:
        logger.warning(
            self,
            "Unable to get database schema version ! Alembic seems to not be properly set up.",
            exc_info=True,
        )
    return AboutModel(
        name="Tracim",
        version=metadata("tracim_backend")["Version"],
        build_version=self._config.BUILD_VERSION,
        datetime=datetime.datetime.now(),
        website=metadata("tracim_backend")["Home-page"],
        database_schema_version=database_schema_version,
    )