def get_activation_key(self, user):
        return signing.dumps(
            obj=getattr(user, user.USERNAME_FIELD),
            salt=REGISTRATION_SALT
        )
Remove named chain.
dataset/ETHPy150Open ubernostrum/django-registration/registration/backends/hmac/views.py/RegistrationView.get_activation_key--crossover with--dataset/ETHPy150Open openstack/nova/nova/network/linux_net.py/IptablesTable.remove_chain