TK program problem

[bvdp]

> I'm not a tk user, but it sounds like it has regressed from accepting
> arbitrary callables as callbacks to accepting functions specifically.
>
> What happens if you replace:
>
> ("Favorites", selectFav),
>
> with:
>
> ("Favorites", lambda: selectFav()),

Okay, this works. Great and thanks! Seems to me that the way I was
doing it should be alright ... and I've got some other programs
exhibiting the same problem.

Before I go "fixing" the issue ... is this known or even a bug?