ubuntu安装ipython时提示ipython:Depends:python-ipython(=5.5.0-1) but it is not going to be installed

问题描述：ubuntu安装ipython时在终端输入命令sudo apt install ipython安装失败

以下是提示内容

ipython:Depends:python-ipython(=5.5.0-1) but it is not going to be installed
libqt3-mt:Depends:libpng12-0(>=1.2.13-4) but it is not going to be installed.

解决方案

在终端输入命令：sudo apt --fix-broken install