Help: How to change the type parameter value of pipe?

i want to change the type parameter value of pipe, but i get a warring in dynamo, so how to change the type parameter value of pipe?

Which version of dynamo your using?

See below dynamo version 0.9.1.

Another way is to use custom node “AllFamilyTypesOfCategory” from clockwork package Dynamo version 0.9.1.