@abc.abstractproperty
    def block_size(self):
Test the calculation of the MeanAbsolutePercentageError.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/cryptography-1.3.1/src/cryptography/hazmat/primitives/ciphers/base.py/BlockCipherAlgorithm.block_size--crossover with--dataset/ETHPy150Open T-002/pycast/pycast/tests/meanabsolutepercentageerrortest.py/MeanAbsolutePercentageErrorTest.error_calculation_test