If Python 3 is so wonderful, why are the Python 3 developers still using Python 2 in their toolchain? It's because it would reportedly take 1 man year to port Mercurial to Python 3.
If an organisation has lots of legacy Python code, it'll cost them a lot of effort to re-write it for Python 3, and for what? Programmers might be maybe 1% more productive in the new language than the old one. For most organisations, this would not make business sense.
If an organisation has lots of legacy Python code, it'll cost them a lot of effort to re-write it for Python 3, and for what? Programmers might be maybe 1% more productive in the new language than the old one. For most organisations, this would not make business sense.