Try the most naive way to fix Read The Docs (RtD does not yet support Python 3.9)
Try the most naive way to fix Read The Docs (RtD does not yet support Python 3.9)

Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger