The Python developers are only using GitHub to host the Git repository:
> Please realize that this is
> choosing GitHub to provide repository hosting and code review; we are not
> moving our issue tracker, nor are we moving our wiki. And the long-term
> plan is to set up a bot that will handle our commit workflow which will
> help isolate us from any repository hosting platform we are on and making
> moving easier in the future
So while your concerns about, well, using an external host (this applies to
any external host, as you say) are legitimate, they don't really apply to the
situation with Python.
