code: def get_unresolved_properties_by_inheritance(self, timeperiod):
          
          # Ok, I do not have prop, Maybe my templates do?
          # Same story for plus
          for i in timeperiod.templates:
              template = self.templates[i]
              timeperiod.unresolved.extend(template.unresolved)
docs: Fill full properties with template if needed for the
          unresolved values (example: sunday ETCETC)
          :return: None