Enabling two factor auth requires you to create a one-time-key and use that to deploy to GAE.
You can do so from your page at: http://www.google.com/accounts/ (I just had to do this myself; so it is most certainly the case) -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.