# create mesh
from SMESH_mechanic import *
-faceID = mesh.GetElementsByType(FACE)[0]
+faceID = mesh.GetElementsByType(smesh.FACE)[0]
# get all faces co-planar to the first face with tolerance 5 degrees
filter = smesh.GetFilter(smesh.FACE, smesh.FT_CoplanarFaces,faceID,Tolerance=5.0)
ids = mesh.GetIdsFromFilter(filter)