code: def next(self):
  
          
  
          self.progress_status()
  
          # Check abortes state and raise StopIteration if aborted
          if self.aborted:
              statustext = _("File loading aborted.")
              post_command_event(self.main_window, self.main_window.StatusBarMsg,
                                 text=statustext)
              raise StopIteration
  
          return self.parent_cls.next(self)
docs: Next that shows progress in statusbar for each <freq> cells