https://bugzilla.wikimedia.org/show_bug.cgi?id=73120
--- Comment #3 from Fabian CommodoreFabianus@gmx.de --- Okay due to the patch we now know it's not that suddenly the page became a non-redirect:
https://travis-ci.org/wikimedia/pywikibot-core/jobs/40348621#L446
So there is something else wrong.