I was testing PyRevit v4.6.19 Select Element Types and ReValue in Revit 2016 and I noticed that it doesn't select Revit Fill Patterns for some for reason, as per your How to pyRevit: Taming Parameter ...

pyRevit helps you quickly sketch out your automation and addon ideas, in whichever language that you are most comfortable with, inside the Revit environment and using its APIs. It also ships with an ...