TL; DR: Upgrade Django to version 1.11.17+ or 2.0+个
此错误is a known incompatibility与Python issue #32012相关.基于Django 1.11.16及更低版本的项目在使用Python3.7启动时将引发此异常.这个问题的补丁has been merged into Django 2.0 and 2.1 branches,后来精挑细选到Django 1.11.17.
注:Python 3.7得到了Django 1.11.17及以上版本的官方支持,包括any 2.x branch.