也许我需要输出路径但不确定

I'm trying to use the check-html flag with linkchecker. It gives an error that the tidy module is not installed. If I say tidy at a command line I can use it. I have MacPorts installed and have installed just about every option for libtidy or tidy that has to do with python. I'm thinking it has to do with a $PATH issue or something.I'm trying to use the check-html flag with link