Who said anything about immediacy? Python 3 has been out for nearly 8 years. That's more than enough time to update libraries, especially given that the list

Who said anything about immediacy? Python 3 has been out for nearly 8 years. That's more than enough time to update libraries, especially given that the list of incompatibilities between Python 2 and Python 3 is tiny. So, what have the library developers been doing for the past 8 years? Probably adding features to the Python 2 version of the library. Why? Because Python 3 has seen low adoption. Why? Because the libraries haven't been updated yet. Why? ... It's an endless cycle. If people want Python 3 to be adopted more widely, they ought to adopt it themselves (and many programmers have, though clearly not enough).