Together with the last Python 2 release from April, 2020, Pywikibot team will release the **last version that supports Python 2**. We created a **python2" tag** marking the version, so you can continue running your Python 2 scripts using this tag, if you really need to.
After that version, Pywikibot is not going to receive any further patches and bug fixes related to Python 2. Its code is going to be cleaned from Python 2 specific functions, patches, deprecations and other stuff, so make sure you'll use this tag if you still want to run Pywikibot using Python 2.
Pywikibot team strongly recommends to migrate your scripts to Python 3. To make it happen, you can use Python 2to3 script installed by default with Python 2.6+, see https://docs.python.org/2/library/2to3.html. You can also just try to run your script using Python 3 (the "-simulate" parameter could be handy) and fix all the issues. If you encounter problems with the migration, you can always ask us here: https://phabricator.wikimedia.org/T242120
Martin Urbanec and Dvorapa