code: def load_model(self, model_path):
      self.model = Detector(model_path)
  
imports: from .detection_model import Detector
  from util.coco.detlabel import COCO_CLASS_DICT
label_desc: Use image node_id 2 for calling the DetInfer obj's underlying member method code with example usage: obj.load_model(model_path) without return types