Almost all major Python packages have now been upgraded to Python 3. For example, only 3 or 4 of the Top 50 have not been upgraded, and all but 1 of those are

Almost all major Python packages have now been upgraded to Python 3. For example, only 3 or 4 of the Top 50 have not been upgraded, and all but 1 of those are in the process of updating. It's now mostly just the thousands of smaller packages that still are on Python 2 only. But Python couldn't get away with that more than once every 10 years.