ubuntu /usr/bin/do-release-upgrade crashed with SystemError in open(): E:Encountered a section with

解决方案：
1.
sudo rm -vf /var/lib/apt/lists/*

2.
sudo apt-get clean 清除已加载或本来该加载但是没有加载的已安装软件的包或状态
sudo apt-get update 重新更新并覆盖所有以apt-get 方式安装的软件源或包