Comment 1 for bug 1851435

I pestered Tim Van Steenburgh about this, and he helpfully got me up to speed:

> "My team hasn't supported/maintained/worked on juju-deployer since mid-2017. By that time, many
> features had been merged into juju itself, and it was decided to direct any new stuff into the
> python juju client (https://github.com/juju/python-libjuju)."