def _process_iterable(self, value):
        processed = []
        for item in value:
            processed.append(self._process(item))

        return processed
Checks if a staff user has staff-level access for the current site.
dataset/ETHPy150Open openstack/anvil/anvil/cfg.py/YamlRefLoader._process_iterable--crossover with--dataset/ETHPy150Open stephenmcd/mezzanine/mezzanine/utils/sites.py/has_site_permission