room_calculation_point is a Family parameter. not a room one, nor an area one
What you are after is the Location of the element
https://apidocs.co/apps/revit/2022/3dbe57e5-fdea-5bf9-c715-52653f56073f.htm#
you can get it jsut by passing the element like so:
loc_point = element.Location.Pointalso, there is a method in the Query module of pyrevit
get_location(element)