import clr

# Import RevitNodes
clr.AddReference("RevitNodes")
import Revit
# Import types we need. Instead of listing individual types,
# you can do 'from Revit.Elements import *'
from Revit.Elements import CurveByPoints, ReferencePoint

import System

startRefPt = IN[0]
endRefPt = IN[1]
refPtArray = System.Array[ReferencePoint]([startRefPt, endRefPt])
OUT = CurveByPoints.ByReferencePoints(refPtArray)