code: def _release_save_states(self):
          
  
          self.saving = False
          self.grid.Enable()
          wx.EndBusyCursor()
  
          # Mark content as unchanged
          try:
              post_command_event(self.main_window, self.ContentChangedMsg)
          except TypeError:
              # The main window does not exist any more
              pass
docs: Releases application save states