Tkinter on Mac OS crashes python

[MRAB]

On 2019-05-16 21:39, Christian Gollwitzer wrote:
> Am 15.05.19 um 20:25 schrieb Chip Towner:
>> Terry,
>> Thanks for the input and FYI I am running 10.14.4 Mojave. 
> 
> Apple changed a couple of APIs on Mojave (versus High Sierra) that made
> Tk stop working, when it was compiled with the Mojave SDK. Tk compiled
> against the High Sierra SDK continued to work. A lot of work was done by
> the Tk maintainers to fix this and hopefully now it should work again -
> the most recent release is Tk 8.6.9. So if you compile this yourself
> with the Mojave SDK, you should at least upgrade to Tcl/Tk 8.6.9.
> 
> Still, direct crashing upon loading Tcl/Tk might be another problem;
> make sure that you compile tkinter against the same versiof of Python
> that you use it with.
> 
FYI, there was also a change in Tcl/Tk 8.6.9 concerned with setting the 
colour of text in the Treeview widget:

Issue 36468: Treeview: wrong color change - Python tracker
https://bugs.python.org/issue36468