bug#68559: [PATCH] Improve Python shell completion

[Eli Zaretskii]

> From: Mattias Engdegård <mattias.engdegard@gmail.com>
> Date: Thu, 15 Feb 2024 15:43:32 +0100
> Cc: Eli Zaretskii <eliz@gnu.org>,
>  kobarity@gmail.com,
>  68559@debbugs.gnu.org
> The recent change on master, 0b9c7148fd, causes several failures in 
> python-tests here (macOS). Log attached.
> 
> It seems to have something to do with completion. Maybe the new code is 
> sensitive to details of Python's command line editor? The standard Python 
> interpreter is unlikely to use GNU readline, for example.

The python-*-completion-at-point-* tests never worked for me, and I
always assumed it was something specific to MS-Windows.  But maybe
not.  There was no change in the tests that fail for me before and
after the recent changes related to Python.