Hi, as a packager, I spend a lot of time to scrutinize the requirements repo, and I find it easier to read if specifiers are ordered. So in a quick glance, you can check which is the min version required and max one without trying to search them among other specifiers. I scripted a basic linter to do that (which also normalize comments to PEP8 standards) Initial review is here: https://review.openstack.org/#/c/332623/ script is available here; https://gist.github.com/hguemar/7a17bf93f6c8bd8ae5ec34bf9ab311a1 Your thoughts? Regards, H.