在Django网站上Python记录RotatingFileHandler的问题

LOGGING = {
    'version': 1,
    'handlers': {
        'rotating_file': {
            'level': 'INFO',
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': 'django.log',
            'maxBytes': 1024 * 1024,
            'backupCount': 5,
        },
    },
    'loggers': {
        'django': {
            'handlers': ['rotating_file'],
            'level': 'INFO',
            'propagate': True,
        },
    },
}

import logging

logger = logging.getLogger('django')

logger.info('This is an info message')
logger.warning('This is a warning message')
logger.error('This is an error message')