[Pythonmac-SIG] Python 3.8.7 & pyobjc 6.2.2 MainMenu not loading

[Karsten Wolf]

I wrote

> On 23. Jun 2021, at 18:24, Karsten Wolf <karstenwo at web.de> wrote:
>
> I'm trying to convert some python2 pyobjc apps to python3.
>
> No matter what I do, it does not load MainMenu.
>
> Pointers?

Updating py2app from 0.21 to 0.24 did the trick.