It is currently broken (python) on 8.0.
See here for the general roadmap. It really is up to Splunk to fix it so be sure to open a P1 support case ASAP: https://www.splunk.com/blog/2019/07/01/admins-and-developers-we-re-transitioning-to-python-3.html https://docs.splunk.com/Documentation/Splunk/7.3.2/Python3Migration/AboutMigration
