Invalid signature https://www.python.org/ftp/python/3.8.13/Python-3.8.13.tgz.asc

It seems that depending on CDN, the download for https://www.python.org/ftp/python/3.8.13/Python-3.8.13.tgz.asc can lead in the wrong file being downloaded.
The issue happens randomly (depending on CDN edge probably).
It can be seen there: [Bot] Update dependencies · pypa/manylinux@807782b · GitHub
The sha256 are recorded as well as HTTP response headers.

cc: @ambv

It seems to be working now. No idea why though.