PEP is still not done, but I have at least fleshed out the parts required to migrate the code-only and web-related repositories: https://github.com/brettcannon/github-transition-pep/blob/master/pep-NNNN.rst . If you find typos and such in the PEP, feel free to send a pull request (thanks to Zachary for already doing this!).

Once the PEP no longer has XXX markers I will post the text to this mailing list (aiming for this week, or at worst sometime next weekend).

On Sat, 9 Jan 2016 at 18:54 Brett Cannon <brett@python.org> wrote:

I'm developing it at https://github.com/brettcannon/github-transition-pep/blob/master/pep-NNNN.rst . I'm not posting it here as I'm still actively writing it. The only reason I'm mentioning it now is because the migration plan has been very roughly outlined, so if it looks like I'm missing something, please let me know.