def untrust(self, scope, vk):
        self.data['verifiers'].remove({'scope':scope, 'vk':vk})
        return self
Updates a l2_policy.
dataset/ETHPy150Open chalasr/Flask-P2P/venv/lib/python2.7/site-packages/wheel/signatures/keys.py/WheelKeys.untrust--crossover with--dataset/ETHPy150Open openstack/python-group-based-policy-client/gbpclient/v2_0/client.py/Client.update_l2_policy