docs: def execute(self, eopatch):
          """ Execute predicate on input eopatch
  
          :param eopatch: Input `eopatch` instance
          :return: The same `eopatch` instance with a `mask.valid_data` array computed according to the predicate
          """
          feature_type, feature_name = next(self.valid_data_feature())
          eopatch[feature_type][feature_name] = self.predicate(eopatch)
          return eopatch