code: def main() -> int:
      return ray.get(count_non_terminated_nodes.remote())
  
imports: import ray
  from ray.autoscaler._private.providers import _get_node_provider
  from ray.autoscaler._private.kuberay.autoscaling_config import _generate_provider_config
label_desc: Use image node_id 2 for calling a global function with example usage: main() and returns: ray