The migration as a whole has been painful. It's been 14 years and dropping python2 is still controversial. It's a story of how not to do a major language upgr

The migration as a whole has been painful. It's been 14 years and dropping python2 is still controversial. It's a story of how not to do a major language upgrade. It's not quite as bad as "Perl 6" which killed off the whole language, but it's up there with massive mistakes which has cost the industry dearly.