Django Mysql驱动版本问题

...
raise ImproperlyConfigured('mysqlclient 1.3.13 or newer is required; you have %s.' % Database.__version__)
django.core.exceptions.ImproperlyConfigured: mysqlclient 1.3.13 or newer is required; you have 0.9.3.

import pymysql

pymysql.version_info = (1, 3, 13, "final", 0)
pymysql.install_as_MySQLdb()