code: def areas(self, o) -> List[float]:
      return [o["area"]] if sum(o["keypoints"]) > 0 else []
  
imports: from icevision.imports import *
  from icevision.core import *
  from icevision.utils import *
  from icevision.parsers import *
label_desc: Use image node_id 4 for calling the COCOKeyPointsParser obj's underlying member method code with example usage: obj.areas(o) and returns: unknown