def remove_lockfile(path):
    path = os.path.join(path, LOCKFILE)
    try:
        os.unlink(path)
    except OSError, exc:
        print 'Cannot remove lockfile:', exc
        sys.exit(1)
Returns the property value of a variant in the correct ordering of the
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/scripts/repo.py/remove_lockfile--crossover with--dataset/ETHPy150Open diefenbach/django-lfs/lfs/catalog/models.py/Product.get_variant_properties