code: def postprocess(self, input_dicts, fetch_dict, log_id):
      out = fetch_dict["save_infer_model/scale_0.tmp_1"]
      out_dict = {"out": out}
  
      return out_dict, None, ""
  
file_path: insightface/recognition/arcface_paddle/deploy/pdserving/web_service.py
imports: from paddle_serving_server.web_service import WebService, Op
  import numpy
  import cv2
  import base64
label_desc: Use image node_id 3 for calling the ArcFaceOp obj's underlying member method code with example usage: obj.postprocess(input_dicts, fetch_dict, log_id) and returns: out_dict,  None,  str