def distro_release_attr(self, attribute):
        return self._distro_release_info.get(attribute, '')
Block, waiting for all child worker threads to finish.
dataset/ETHPy150Open nir0s/distro/distro.py/LinuxDistribution.distro_release_attr--crossover with--dataset/ETHPy150Open facebook/sparts/sparts/vtask.py/VTask.join