CODE EXAMPLE FOR PYTHON

line to curve dynamo revit

import clr
clr.AddReference('ProtoGeometry')
import Autodesk.DesignScript.Geometry
a = IN[0]
if isinstance(a, list):
	a = a
else: a = [a]
e = []
for i in a:
	e.append(Autodesk.DesignScript.Geometry.Curve.Offset(i,0))
OUT = e