              helptext = "\n{}".format(helptext)
          logger.debug("formatted help: '%s'", helptext)
          return helptext
  
      def load_config(self):
          """ Load values from config """
          logger.verbose("Loading config: '%s'", self.configfile)
          self.config.read(self.configfile)
  
      def save_config(self):
 
</s> remove         logger.verbose("Loading config: '%s'", self.configfile)
 </s> add         logger.verbose("Loading config: '%s'", self.configfile)  # type:ignore[attr-defined] </s> remove             helptext = "\n{}".format(helptext)
 </s> add             helptext = f"\n{helptext}" </s> remove     def save_config(self):
 </s> add     def save_config(self) -> None: </s> remove                 helptext = self._config.format_help(options["helptext"], is_section=False)
                new_config.set(config_section, helptext)
                new_config.set(config_section, item, str(new_opt))
 </s> add                 helptext = self._config.format_help(options.helptext, is_section=False)
                new_config.set(section_name, helptext)
                new_config.set(section_name, item, str(new_opt)) </s> remove     def check_exists(self):
        """ Check that a config file exists """
 </s> add     def _check_exists(self) -> bool:
        """ Check that a config file exists

        Returns
        -------
        bool
            ``True`` if the given configuration file exists
        """
    def _load_config(self) -> None:
              helptext = "\n{}".format(helptext)
          logger.debug("formatted help: '%s'", helptext)
          return helptext
  
    def _load_config(self) -> None:
          """ Load values from config """
          logger.verbose("Loading config: '%s'", self.configfile)
          self.config.read(self.configfile)
  
      def save_config(self):
keep keep keep keep replace keep keep keep keep keep
 Preview - Allow mask color/opacity configuration
  - typing: lib.config
  - docs: lib.config
  - bugfix: popup_configure - keep assets on top 
lib/config.py