import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *

clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument
view = doc.ActiveView

array = ModelCurveArray()
inn=IN[0]
if not isinstance(IN[0], list):
    inn=[]
    inn.append(IN[0])
for i in inn:
    array.Append(UnwrapElement(i))

TransactionManager.Instance.EnsureInTransaction(doc)
OUT= doc.ConvertModelToDetailCurves(view, array)
TransactionManager.Instance.TransactionTaskDone()
doc.Regenerate()