[Catalog-sig] PyPI mirrors are all up to date

["Martin v. Löwis"]

> Why not go to the next level and get the script on this page to update a
> DNS load balancer with all green mirrors?

I still think that mirror selection should be on the client side. First,
if you have an infrastructure that updates the mirror list, it is again
a single point of failure. Plus, clients would want to select a mirror
based on network performance, which a DNS load balancer cannot achieve.

Regards,
Martin