      def build_tools_menu(self):
          """ Add the file menu to the menu bar """
          logger.debug("Building Tools menu")
          self.tools_menu.add_command(
              label="Output System Information", underline=0, command=self.output_sysinfo)
          self.add_cascade(label="Tools", menu=self.tools_menu, underline=0)
          logger.debug("Built Tools menu")
  
      @staticmethod
 
</s>
        self.tools_menu.add_command(
            label="Check for updates...", underline=0, command=self.check_updates)
      def build_tools_menu(self):
          """ Add the file menu to the menu bar """
          logger.debug("Building Tools menu")
        self.tools_menu.add_command(
            label="Check for updates...", underline=0, command=self.check_updates)
          self.tools_menu.add_command(
              label="Output System Information", underline=0, command=self.output_sysinfo)
          self.add_cascade(label="Tools", menu=self.tools_menu, underline=0)
          logger.debug("Built Tools menu")
  
      @staticmethod
keep keep add keep keep keep keep keep keep
 GUI > Tools > Check for updates option added
lib/gui/menu.py