windows下mongoengine报错False is not a read preference.的解决办法时间:2023-03-09 05:52:13 mongoengine是基于pymongo的,后者的3.0版本在windows下似乎会有这个问题,解决方法就是降级: pip install pymongo==2.8 来源:upgrade to pymongo 3.0 breaks pymongo connection #935