python3.6怎么都装不好,所以就重新建了一个虚拟机开始搞。。。。。。
Ubuntu安装Python3.6教程
https://blog.csdn.net/qq_24326765/article/details/81916399
opencv的安装、配置及所遇问题(Ubuntu16.04 + OpenCV3.4.2 + Python3.6)
https://blog.csdn.net/u013093426/article/details/90180763
Ubuntu18.04 Opencv3.4.6安装过程
https://blog.csdn.net/weixin_41624766/article/details/90641375