@classmethod
    @memoized
    def calc_meta(cls):
        return cls.calc_mapping_hash({
            'es_meta': cls.es_meta,
            'mapping': cls.default_mapping,
        })
Handle even more bogus If-Modified-Since values gracefully
dataset/ETHPy150Open dimagi/commcare-hq/corehq/pillows/case.py/CasePillow.calc_meta--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/views/tests/static.py/StaticTests.test_invalid_if_modified_since2