text: from pathlib import Path
  
  from deeppavlov.utils import settings
  from deeppavlov.core.common.file import read_json, save_json
  
  settings_path = Path(settings.__path__[0]) / 'server_config.json'
  
  settings = read_json(settings_path)
  settings['model_defaults']['Chitchat'] = {
      "host": "",
      "port": "",
      "model_endpoint": "/model",
      "model_args_names": ["utterances", "annotations", "u_histories", "dialogs"]
  }
  save_json(settings, settings_path)
  