Comment by isjustintime

This is great. pip-tools` is so valuable right now in helping mitigate these dependency tree issues. I'd love to see some form of support in core Python. I really hope this becomes pushed out, similar to how `pip` actually has a dependency resolver now. Relying on running `pip freeze` to create a quasi-lock is a horrible pattern for enterprise environments and for packages. I'm really looking forward to how this turns out, even though it's still in a proposal-type phase. `