The comments in http://conf.py for #sphinx are not in ReStructuredText and not in """doc strings""". It is like they think their own dogfood stinks.
typical generated sphinx conf file: https://github.com/NAIN1984/IM_Pro/blob/04c4739e3a130e80401ce8b91c639f383997d852/Docs/conf.py
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February 17, 2019