python3.9导入gevent出现报错：<frozen importlib._bootstrap>:228: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 144 from C header, got 152 from PyObject解决方案

一、问题描述

　　flask中使用gevent实现并发请求，出现报错：<frozen importlib._bootstrap>:228: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 144 from C header, got 152 from PyObject

 

二、解决方案

　　gevent版本问题，更新版本即可：

pip3 install --upgrade gevent==20.9.0 -i https://mirrors.aliyun.com/pypi/simple/