bug#12743: 24.2.50; run-python hangs

[Eli Zaretskii]

> Date: Sat, 27 Oct 2012 17:47:17 +0200
> From: Left Right <olegsivokon@gmail.com>
> 
> Immediately after starting Emacs with `emacs -Q` I ran
> M-x run-python
> This enters an infinite loop. I can interrupt the infinite loop with
> C-g. After loop was interrupted, I looked into *Messages* buffer.
> This is its contents:
> 
> Sent python-shell-completion-setup-code
> Sent python-ffap-setup-code
> Sent python-eldoc-setup-code
> Error during redisplay: (jit-lock-function 1) signaled (quit)

This is a duplicate of bug #12645.