code: def set_meta(self, meta=None, **kwargs):
          '''
          Assign values to self.meta.
          Meta is not returned
          '''
          if meta is None:
              meta = self.get_meta(**kwargs)
          setattr(self, '_meta', metaf set_meta(self, meta=None, **kwargs):
          '''
          Assign values to self.meta.
          Meta is not returned
          '''
          if meta is None:
              meta = self.get_meta(**kwargs)
          setattr(self, '_meta', meta)
docs: Assign values to self.meta.
          Meta is not returned