code: def check_health_pod(addr: str):
      """check if a pods is healthy
  
      :param addr: the address on which the pod is serving ex : localhost:1234
      """
      from jina.serve.runtimes.servers import BaseServer
  
      is_ready = BaseServer.is_ready(addr)
  
      if not is_ready:
          raise Exception("Pod is unhealthy")
  
      print("The Pod is healthy")
  
label_desc: Use image node_id 1 for calling a global function with example usage: check_health_pod(addr) without return types