根據錯誤提示,gunicorn安裝,然後安裝其他提示的缺少的module
pip install django gunicorn
pip install psutil
pip install gevent-websocket
pip install flask
pip install flask_session
pip install flask_socketio
只做記錄
更新Python3
https://www.cnblogs.com/ESHLkangi/p/8545979.html