That was my first thought too. Who knows where 3.x will be in 6 years, but now a huge number of people will continue to develop in the 2.x series with no worri

That was my first thought too. Who knows where 3.x will be in 6 years, but now a huge number of people will continue to develop in the 2.x series with no worries. Six years feels like a long time when you're at the beginning of them. By the end, maybe it will be easier to just tweak the Python 2.x codebase than switch everything to 3.x.