code: def _get_renditions(self, kwargs):
          
          img_1x, size = self.get_rendition(
              1, **utils.remap_args(kwargs, {"quality": "quality_ldpi"}))
          img_2x, _ = self.get_rendition(
              2, **utils.remap_args(kwargs, {"quality": "quality_hdpi"}))
  
          return (img_1x, img_2x, size)
docs: Get a bunch of renditions; returns a tuple of 1x, 2x, size