code: def warmup_cluster(num_reqs):
      for _ in range(num_reqs):
          resp = requests.get(
              "http://localhost:8000/",
              timeout=1,
              params={
                  "val": 10,
              },
          )
          assert resp.status_code == 200
  
imports: import enum
  import json
  import subprocess
  from kubernetes import client, config, watch
  import requests
  import random
  import uuid
  import pathlib
  import time
  import ray
  import os
label_desc: Use image node_id 5 for calling a global function with example usage: warmup_cluster(num_reqs) without return types