Others have already made the point about PEP8 being a guideline, so I just wanted to also point out that not all style guides would agress with you on Bayes'/'s

Others have already made the point about PEP8 being a guideline, so I just wanted to also point out that not all style guides would agress with you on Bayes'/'s theorem. Case in point, the APA style guide: http://blog.apastyle.org/apastyle/2013/06/forming-possessives-with-singular-names.html http://blog.apastyle.org/apastyle/2013/06/forming-possessive...