> As we've proven a couple of times now, Python session are broken with
> the newest version of Emacs (since the upstream change to an entirely
> new python.el implementation).

I've just pushed up a fix to ob-python.el so that sessions should now
work with the latest version of Emacs.  I hope this clears up some of
the miss-understandings surrounding ob-python.

Here is a quick example usage.