def is_value_required(self):
        return self.__class__.VALUE_REQUIRED == (self.__class__.VALUE_REQUIRED & self.__mode)
Perform all necessary setup for Mac OSX and catch installation errors.
dataset/ETHPy150Open sdispater/cleo/cleo/inputs/input_option.py/InputOption.is_value_required--crossover with--dataset/ETHPy150Open google/fplutil/bin/setup_all_prereqs.py/mac_setup