def action(func=None,
           cloudmap=None,
           instances=None,
           provider=None,
           instance=None,
           **kwargs):
    client = _get_client()
    info = client.action(func, cloudmap, instances, provider, instance, kwargs)
    return info
convert all var nodes to tuple form
dataset/ETHPy150Open saltstack/salt/salt/runners/cloud.py/action--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/depgraph.py/CollapsedGraph.vars2tuples