I know this is not part of this PR, but we should start handling paths with `pathlib` instead of `os` and `strings`. Let's rise an issue for that. _Originally posted by @joaomcteixeira in https://github.com/MDAnalysis/mdacli/pull/45#discussion_r642093393_
I know this is not part of this PR, but we should start handling paths with
pathlibinstead ofosandstrings. Let's rise an issue for that.Originally posted by @joaomcteixeira in #45 (comment)