The Python 2 to Python 3 migration was such a disaster that Python 3 is now used by both more programmers, and a higher proportion of programmers, than Python 2

The Python 2 to Python 3 migration was such a disaster that Python 3 is now used by both more programmers, and a higher proportion of programmers, than Python 2 ever managed. This is not to minimize the pain of switching. But it does not seem to ahve limited the success of the language.