def close(self):
        raise NotImplementedError("This method must be implemented!")
See lfs.plugins.PriceCalculator
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/xml/sax/xmlreader.py/IncrementalParser.close--crossover with--dataset/ETHPy150Open diefenbach/django-lfs/lfs/catalog/models.py/Product.get_base_packing_price_net