code: def get_capture(self):
          
          # game
          game_image = self._game_image_from_screen('capture')
          if game_image is None:
              return
          # board
          board = self._board_from_game_image(game_image)
          if board is None:
              return
          if board.is_empty():
              return
          return board
docs: Return the capture board or None if can't find it.