settings.py - minor cleanup
settings.py - minor cleanup

zengzhaozheng/adagios,opinkerfi/adagios,opinkerfi/adagios,kb2ma/adagios,zengzhaozheng/adagios,zengzhaozheng/adagios,zengzhaozheng/adagios,opinkerfi/adagios,kaji-project/adagios,kb2ma/adagios,kb2ma/adagios,kaji-project/adagios,opinkerfi/adagios,kaji-project/adagios,kaji-project/adagios,kb2ma/adagios