code: def get_rcntobj(self):
          
          # rcntobj value in kws can be: None, False, True, CountRelatives object
          if 'rcntobj' in self.kws:
              rcntobj = self.kws['rcntobj']
              if isinstance(rcntobj, CountRelatives):
                  return rcntobj
              return CountRelatives(
                  self.go2obj,  # Subset go2obj contains only items needed by go_sources
                  self.relationships,
                  dcnt='dcnt' in self.kw_elems,
                  go2letter=self.kws.get('go2letter'))
docs: Return None or user-provided CountRelatives object.