I think you mean (setq org-src-tab-acts-natively t) right?

It looks like the function I made basically does the same thing, by another mechanism! 

I still wonder why it doesn't work with RET though.

John

-----------------------------------
Professor John Kitchin 
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803

On Sat, Mar 19, 2016 at 8:15 PM, Ken Mankoff <mankoff@gmail.com> wrote:

On 2016-03-19 at 19:27, John Kitchin <jkitchin@andrew.cmu.edu> wrote:
> Thanks! That is a nice function.
>
> I adapted it to make Tab work in python mode blocks.

This might already do that:

(setq org-src-tab-acts-natively nil)

  -k.