code: def worker():
      if CLUSTER_MONITOR.gpu_cluster:
          return render_template("gpu-workers.html")
      return render_template("workers.html")
  
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 1 for calling a global function with example usage: worker() and returns: render_template, render_template