class_docstr: A monitor which requests the cluster status every 10 seconds.
      
class_docstr_tok: ["A","monitor","which","requests","the","cluster","status","every","10","seconds","."]
code: def get_data(self):
      assert self.data is not None
      return self.data
  
file_path: PARL/parl/remote/monitor.py
imports: import argparse
  import pickle
  import random
  import time
  import zmq
  import threading
  from flask import Flask, render_template, jsonify, request
label_desc: Use image node_id 3 for calling the ClusterMonitor obj's underlying member method code with example usage: obj.get_data() and returns: self