code: def format_image(self, image, image_format, **kwargs):
          
  
          if image_format in ('png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp'):
              if image_format != 'webp' and FORCE_WEBP:
                  # Always return WebP when supported by the browser
                  accept = self.request.META['HTTP_ACCEPT'].split(',')
                  if 'image/webp' in accept:
                      image = image.convert('RGBA')
                      image_format = 'webp'
                      kwargs = {'lossless': True}
  
              if image_format == 'png':
                  kwargs['optimize'] = True
              elif image_format == 'jpg':
                  image.convert('RGB')
                  kwargs['progressive'] = True
  
              buffer = six.BytesIO()
              image.save(buffer, image_format, **kwargs)
              return buffer.getvalue(), "image/{}".format(image_format)
          else:
              raise ValueError('Unsupported format: {}'.format(image_format))
docs: Returns an image in the request format