bug#23778: 24.5; python.el Wrong type argument: number-or-marker-p, nil

[Steven Willis]

On Fri, Jun 17, 2016 at 2:58 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Steven Willis <onlynone@gmail.com>
>> Date: Thu, 16 Jun 2016 22:33:42 -0400
>>
>> If you type 'a = [' followed by ENTER into a buffer in python mode,
>> you'll get the error message:
>>
>>     Wrong type argument: number-or-marker-p, nil
>
> I cannot reproduce this.  Please provide a more detailed recipe,
> starting from "emacs -Q".

The error was with 'emacs -Q'.

1. Start emacs with: 'emacs -Q test.py'
2. Type 'a = ['
3. Hit enter

What happens: See "Wrong type argument: number-or-marker-p, nil" at
the bottom of the screen and the cursor on line 2 at column 0.
What I expected: No errors, and cursor on line 2 at column 4.