code: def palette(self):
          
  
          if not self.indexed:
              return None
          _idx, base, hival, lookup = None, None, None, None
          try:
              _idx, base, hival, lookup = self._colorspaces
          except ValueError as e:
              raise ValueError('Not sure how to interpret this palette') from e
          base = str(base)
          hival = int(hival)
          lookup = bytes(lookup)
          if not base in self.SIMPLE_COLORSPACES:
              raise NotImplementedError("not sure how to interpret this palette")
          if base == '/DeviceRGB':
              base = 'RGB'
          elif base == '/DeviceGray':
              base = 'L'
          return base, lookup
docs: Retrieves the color palette for this image
  
          :returns: (base_colorspace: str, palette: bytes)
          :rtype: tuple