@cache_readonly
    def size(self):
        return len(self)
New UOF data from the extractor is processed as expected.
dataset/ETHPy150Open pydata/pandas/pandas/core/categorical.py/Categorical.size--crossover with--dataset/ETHPy150Open codeforamerica/comport/tests/test_extractor_api.py/TestHeartbeat.test_post_uof_data