def backend(entry):
    return ''
Obtain the maximum password length tailored for each OS.
dataset/ETHPy150Open Fantomas42/django-blog-zinnia/zinnia/tests/implementations/custom_url_shortener.py/backend--crossover with--dataset/ETHPy150Open openstack/cloudbase-init/cloudbaseinit/osutils/base.py/BaseOSUtils.get_maximum_password_length