the OUT Dynamo Wrapper is capricious with certain objects
here a solution
import sys
import clr
import System
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
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument
ueWrapper = next((m for m in clr.GetClrType(Revit.Elements.ElementWrapper)\
.GetMethods() if m.Name == "Wrap"), None)
if ueWrapper is None:
raise Exception("Error Method", "method 'Revit.Elements.ElementWrapper.Wrap' not found")
views = FilteredElementCollector(doc).OfClass(View).ToElements()
outlist = []
for i in views:
iswrapable = Revit.Elements.ElementWrapper.Wrap(i, True)
if iswrapable is None :
outlist.append(ueWrapper.Invoke(None, (i, True) ))
else:
outlist.append(i)
OUT = outlist