Looks like a great tool, but its dependencies are sufficiently complex to warrant a Dockerfile. This way it would be very clear what the dependencies are independent of how the host system is configured.
Wow, that just makes it a lot simpler for people to test/use.
Could you please share your GitHub username, so I can attribute with a link to the docker image in the README?
[pipx](https://pipxproject.github.io/pipx/) is a nice way to download python CLI apps in a separate contained virtual env. But I couldn't install your app with it:
Oh from the logs it looks like `numpy` wasn't installed. Please install GDAL=={ogrinfo --version}, and numpy before installing felicette, and that'd most probably solve it.