code: def load_config(files=None, root_path=None, local_path=None):
      
  
      config = cfg.ConfigOpts()
      config.register_opts([
          cfg.Opt('root_path', default=root_path),
          cfg.Opt('local_path', default=local_path),
      ])
      # XXX register actual config groups here
      # theme_group = config_theme.register_config(config)
      if files is not None:
          config(args=[], default_config_files=files)
      return config
docs: Load the configuration from specified files.