当我尝试安装 photofilmstrip 时，我被告知有一个问题：
Error dependency is not satisfiable: pythonwxgtk2.8
当我尝试通过命令行安装它时，
sudo apt-get install pythonwxgtk2.8
结果是：
Package python-wxgtk2.8 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
我安装了pythonwxgtk3.0，但 photofilmstrip 仍然没有安装。我该怎么办？