code: def _create_client(self, server_url):
      if server_url in self.clients:
          return self.clients[server_url]
      try:
          fastdeploy_client = httpclient.InferenceServerClient(
              server_url
          )
          self.clients[server_url] = fastdeploy_client
          return fastdeploy_client
      except Exception:
          raise RuntimeError(
              "Can not connect to server {}, please check your "
              "server address".format(server_url)
          )
  
file_path: VisualDL/visualdl/component/inference/fastdeploy_client/http_client_manager.py
imports: import json
  import re
  import numpy
  import requests
  import tritonclient.http
label_desc: Use image node_id 2 for calling the HttpClientManager obj's underlying member method code with example usage: obj._create_client(server_url) and returns: self, fastdeploy_client