def get_policy(table='filter', chain=None, family='ipv4'):
    if not chain:
        return 'Error: Chain needs to be specified'

    rules = _parse_conf(in_mem=True, family=family)
    try:
        return rules[table][chain]['policy']
    except KeyError:
        return None
Setup a situation where fetching on w0 will fail.
dataset/ETHPy150Open saltstack/salt/salt/modules/iptables.py/get_policy--crossover with--dataset/ETHPy150Open bloomberg/phabricator-tools/py/phl/phlgit_fetch__t.py/Test._setupBranchBomb