python2 to python3 库变更情况

1. MySQL

python2操作mysql的库是 MySQL-python, 这个库2014年不再更新了，the next generation is mysqlclient. mysqlclient is forked from MySQL-python, so they have the same usages.

2. urllib urllib2 urllib3 requests库

https://blog.csdn.net/qq_36119192/article/details/82943326