【Python】错误：ERROR: markdown 3.1.1 has requirement setuptools>=36, but you’ll have setuptools 20.7.0 w

错误：ERROR: markdown 3.1.1 has requirement setuptools>=36, but you’ll have setuptools 20.7.0 w

错误信息：

ERROR: markdown 3.1.1 has requirement setuptools>=36, but you’ll have setuptools 20.7.0 w

错误原因：

markdown与setuptool版本不匹配

解决方法：

（1）卸载原有的setuptools

sudo apt-get remove python-setuptools

（2）卸载setuptools依赖的软件包

sudo apt-get autoremove

 （3）重新安装其它版本setuptools

sudo pip install setuptools==39.0.0

参考：

关于cleaning up with apt-get：https://www.networkworld.com/article/3453032/cleaning-up-with-apt-get.html

关于解决错误：https://blog.youkuaiyun.com/chengyq116/article/details/93654175

                         https://www.jianshu.com/p/2bd9c42c4027