code: def __look_up_geom(self, geomType):
          
  
          if geomType.lower() == "point":
              return "esriGeometryPoint"
          elif geomType.lower() == "polyline":
              return "esriGeometryPolyline"
          elif geomType.lower() == "polygon":
              return "esriGeometryPolygon"
          elif geomType.lower() == "multipoint":
              return "esriGeometryMultipoint"
          else:
              return None
docs: compares the geometry object's type verse the JSOn
              specs for geometry types
              Inputs:
                geomType - string - geometry object's type
              Returns:
                 string JSON geometry type or None if not an allowed type