It's really nice to see that the author includes detailed instructions for installing without root. It's pretty much how you'd expect it, but a lot of software these days assumes you'll give some random library root access or worse pipe curl to bash:
As a python package developer, I'd assume that being able to install with pip in user space or in a virtual environment is a standard technique. Why duplicate the dozens of tutorials on the internet?
https://github.com/abaldwin88/roamer/blob/master/doc/faq.md