class_docstr: Manages a MXNet model for training.
class_docstr_tok: ["Manages","a","MXNet","model","for","training","."]
docstr: Returns the IP address of the current node.
docstr_tok: ["Returns","the","IP","address","of","the","current","node","."]
code: def get_node_ip(self):
      """Returns the IP address of the current node."""
      if "node_ip" not in self.__dict__:
          self.node_ip = ray._private.services.get_node_ip_address()
      return self.node_ip
  
file_path: BigDL/python/orca/src/bigdl/orca/learn/mxnet/mxnet_runner.py
imports: import os
  import time
  import logging
  import subprocess
  import ray._private.services
  import mxnet
  from mxnet import gluon
  import copy
  from bigdl.orca.ray.utils import to_list
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 4 for calling the MXNetRunner obj's underlying member method code with example usage: obj.get_node_ip() and returns: self