go to {User}/AppData/Roaming/McNeel/Rhinoceros/5.0/Plug-ins/IronPython/settings/lib
copy rsextras.py and rsextrasScript to the folder
import rsextras in ghpython
go to {User}/AppData/Roaming/McNeel/Rhinoceros/5.0/Plug-ins/IronPython/settings/lib
copy rsextras.py and rsextrasScript to the folder
import rsextras in ghpython