Thank you for the test version of ksatrs. Unfortunately, the update did not solve the problem for me.
I ran into a problem running the python setup: it verified that home-brew was installed and attempted to instal python. After a short time, it put up a dialog saying: “Python installation failure”.
I opened a terminal window and attempted the installation per your instructions elsewhere in this thread. Home-brew claimed python was installed and up to date. I checked:
Robert-Lucass-Mac-Mini:~ rnlucas$ which python
/usr/bin/python
Robert-Lucass-Mac-Mini:~ rnlucas$ which python3
/usr/local/bin/python3
Robert-Lucass-Mac-Mini:~ rnlucas$ python3 -V
Python 3.7.3
After this, I retried the setup, and this time it appeared to complete normally.