class_docstr: A class for saving, loading, and deleting passwords using the keyring library.
  Some machines may not have keyring installed, so this class may not be available.
class_docstr_tok: ["A","class","for","saving",",","loading",",","and","deleting","passwords","using","the","keyring","library",".","Some","machines","may","not","have","keyring","installed",",","so","this","class","may","not","be","available","."]
code: def __init__(self, username: str, root_dir: str):
      super().__init__(username, root_dir)
      self.namespace = f"{username}_h2o_llmstudio"
  
imports: import errno
  import functools
  import logging
  import os
  import pickle
  import signal
  import traceback
  from typing import Any, List
  import keyring
  import yaml
  from h2o_wave import Q, ui
  from keyring.errors import KeyringLocked, PasswordDeleteError
  from llm_studio.app_utils.config import default_cfg
  from llm_studio.app_utils.utils import get_database_dir, get_user_id
label_desc: Use image node_id 1 to create a new KeyRingSaver object from inherited base classes: NoSaver with example: obj = KeyRingSaver(username, root_dir)