code: def _unscale_pnts(y, sz):
      return TensorPoint((y + 1) * tensor(sz).float() / 2, img_size=sz)
  
imports: from __future__ import annotations
  from ..torch_basics import *
  from ..data.all import *
  from PIL import Image
  from matplotlib import patches, patheffects
label_desc: Use image node_id 18 for calling a global function with example usage: _unscale_pnts(y, sz) and returns: TensorPoint