[PyQt] Python callback in SIP

[MD]

Hi,

> Then there is a problem with your .sip file for A.

Yes, but I understood how to do it and I finally have a working python module.
I'll tackle the real one now.

> It will call the nearest in the class hierachy - which will be the Python
> one. If you want to call another implementation in the hierachy then
> provide an explicit scope (eg. A.foo(self)).

understood.

Thanks a lot for the help.

MD