docs: def get(self, key, default=None):
          """
          Retrieve the given configuration option.  Configuration
          options that can be queried this way are those that are
          specified without prefix in the paste.ini file, or which are
          specified in the '[turnstile]' section of the configuration
          file.  Returns the default value (None if not specified) if
          the given option does not exist.
          """
  
          return self._config.get(None, {}).get(key, default)