code: def caption(self, image: Image.Image) -> str:
      rgb_image = to_rgb(image)
      net = self.processors["eval"](rgb_image)[None].to(self.device)
      return self.model.generate(dict(image=net))[0]
  
imports: import torch
  from PIL import Image
  from cftool.cv import to_rgb
label_desc: Use image node_id 3 for calling the BLIPAPI obj's underlying member method code with example usage: obj.caption(image) and returns: self