Re: GUB lilypond build fails

[Werner LEMBERG]

>    I think you have the same issue me and others had.  You don't see
>    it in the tail below, but if you open the lilypond.log file
>    you'll see a python command failing to generate a file because
>    GUB python is 2.4 while lilypond python code uses if statements.
>    It's discussed in one of the pull requests on GitHub.

I took to liberty to `hotfix' this issue in the lilypond git
repository: There was a single place in `musicexp.py' that used 2.5
syntax, which I've just changed back to 2.4 syntax in `staging'.

lilypond should now build with gub as soon as this commit goes to
`master'.


    Werner