class_docstr: Ray actor. The code here will run in each node allocated by Ray.
code: def get_node_ip(self):
      return ray.services.get_node_ip_address()
  
file_path: ClassyVision/classy_vision/distributed/launch_ray.py
imports: import logging
  import os
  import socket
  import subprocess
  import sys
  import time
  from argparse import ArgumentParser, REMAINDER
  from contextlib import closing
  import ray
label_desc: Use image node_id 2 for calling the NodeLaunchActor obj's underlying member method code with example usage: obj.get_node_ip() and returns: ray