code: def on_sighup(self, signal_unused, frame_unused):
          
          # Update HTTP configuration
          for setting in self.http_config:
              if getattr(self.http_server, setting) != self.http_config[setting]:
                  LOGGER.debug('Changing HTTPServer %s setting', setting)
                  setattr(self.http_server, setting, self.http_config[setting])
  
          # Update Application Settings
          for setting in self.settings:
              if self.app.settings[setting] != self.settings[setting]:
                  LOGGER.debug('Changing Application %s setting', setting)
                  self.app.settings[setting] = self.settings[setting]
  
          # Update the routes
          self.app.handlers = []
          self.app.named_handlers = {}
          routes = self.namespace.config.get(config.ROUTES)
          self.app.add_handlers(".*$", self.app.prepare_routes(routes))
  
          LOGGER.info('Configuration reloaded')
docs: Reload the configuration
  
          :param int signal_unused: Unused signal number
          :param frame frame_unused: Unused frame the signal was caught in