def normalize_iterable(x, pushrod):
    return [pushrod.normalize(i) for i in x]
Call all extension drivers during PTG creation.
dataset/ETHPy150Open teozkr/Flask-Pushrod/flask_pushrod/normalizers.py/normalize_iterable--crossover with--dataset/ETHPy150Open openstack/group-based-policy/gbpservice/neutron/services/grouppolicy/extension_manager.py/ExtensionManager.process_create_policy_target_group