def threaditer(reader, species):
    for m in reader:
        components = get_components_for_species(m, species)
        if components is not None:
            yield components
List active mounts on Mac OS systems
dataset/ETHPy150Open CGATOxford/cgat/scripts/maf2psl.py/threaditer--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/mount.py/_active_mounts_darwin