@content
    def GET(self):
        cluster_id = web.input(cluster_id=None).cluster_id

        if cluster_id:
            nodes = \
                objects.NodeCollection.filter_by(None, cluster_id=cluster_id)
        else:
            nodes = objects.NodeCollection.all()

        return filter(lambda x: x is not None, map(self.get_default, nodes))
Assert that no errors have been raised. If warnings_pass is True, also
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/extensions/network_manager/handlers/nic.py/NodeCollectionNICsDefaultHandler.GET--crossover with--dataset/ETHPy150Open mozilla/app-validator/tests/helper.py/TestCase.assert_passes