Jack DeVries <jdevries3133@gmail.com> added the comment: Did you run ``make venv`` to setup your virtual environment? Sphynx themes are usually pip dependencies, so if you're getting a "missing theme" error, it sounds like your virtual environment is not setup right. ---------- nosy: +jack__d _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue32658> _______________________________________