Re: errors when updating syntax

[David Wright]

On Fri 29 Jan 2021 at 18:37:11 (+0100), Jean Abou Samra wrote:
> > I got a .ly file claiming to be version 2.18.0 and opened it in LP
> > version 2.22.0-1. When I did “Update syntax” I got these errors,
> > and the version in the file did not change.
> > 
> > [Image showing AttributeError: 'file' object has no attribute 'detach'
> > I can typeset the file with no problems.
> > 
> > I thought you should know.
> 
> This is a serious problem. The error indicates that
> Python 2 is being used. The scripts were ported to
> Python 3 in release 2.22. What is your OS? How are
> you running convert-ly? Does it reproduce in a terminal?
> (Try running 'convert-ly myfile.ly' there.)

>From the report above and the Usage manual's "but MacOS X users
can also execute this command directly under the menu entry
Compile > Update syntax", I would guess they're on a Mac,
but I don't know which flavour.

> Eventually this should be made a bug report to the
> bug-lilypond list (see lilypond.org/contact.html).

Cheers,
David.