The setup.py for Supervisor noted support for Python 3 starting in May of 2014: https://github.com/Supervisor/supervisor/commit/ad5cd0849a5f.. https://github.co

The setup.py for Supervisor noted support for Python 3 starting in May of 2014: https://github.com/Supervisor/supervisor/commit/ad5cd0849a5f.. https://github.com/Supervisor/supervisor/commit/ad5cd0849a5f.... Here are the blocking issues for official support: https://github.com/Supervisor/supervisor/labels/python%203 https://github.com/Supervisor/supervisor/labels/python%203 I've been running it under Python 3 for a while with no problems.