RiR slab shape creases

.ToCurve works as expected on SlabShapeCreases in RC 1.5 and above now.

ToCurve On SlabShapeCreases
import clr
clr.AddReference('System.Core')
clr.AddReference('RhinoInside.Revit')
clr.AddReference('RevitAPI') 
clr.AddReference('RevitAPIUI')
clr.AddReference("RhinoCommon")

from System import Enum

import rhinoscriptsyntax as rs
import Rhino
import RhinoInside
import Grasshopper
import Rhino.Geometry as RG
from Grasshopper.Kernel import GH_RuntimeMessageLevel as RML
from RhinoInside.Revit import Revit, Convert
from Autodesk.Revit import DB
from RhinoInside.Revit.Convert.Geometry import GeometryDecoder as GD


# access the active document object
doc = Revit.ActiveDBDocument

def show_warning(msg):
    ghenv.Component.AddRuntimeMessage(RML.Warning, msg)

def show_error(msg):
    ghenv.Component.AddRuntimeMessage(RML.Error, msg)

def show_remark(msg):
    ghenv.Component.AddRuntimeMessage(RML.Remark, msg)

SSC = I.SlabShapeEditor.SlabShapeCreases
ct = range(SSC.Size)
curves = []
for item in ct:
    i = SSC[item]
    try:
        RC = GD.ToCurve(i.Curve)
        curves.append(RC)
    except:
        pass
O = curves