bug#23678: 24.5; Python auto-completion breaks inferior-python mode

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tags 23678 fixed
close 23678 25.2
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jay malby <qwe12345678910@gmail.com> writes:

> When running a python interpreter in inferior-python mode,
> sometimes calling auto-completion with C-M-i on an indented
> line causes the underlying python interpreter to get confused,
> leading it to produce an unexpected indent error.
>
> Steps to reproduce:
> 1. Start emacs with a blank config
> 2. run-python
> 3. run this code, performing auto-completion (C-M-i) between the "5"
> and ":" on line 2:
> for i in range(10):
>   if  i < 5:
>     print(i)
>
> Python will break after hitting enter on the second line, reporting an
> unexpected indent. The same code without the C-M-i will run fine,
> printing the integers between 0 and 4 (inclusive).

Seems to be fixed with the "native" completion in 25.2.