class_docstr: infer from forzen model 
class_docstr_tok: ["infer","from","forzen","model"]
docstr: prost processing 
docstr_tok: ["prost","processing"]
code: def postproc(self, pred, features=None):
      """prost processing"""
      self.post_fn(pred)
      return
  
imports: import numpy
  from absl import logging
  import delta.compat
  from delta import utils
  from delta.utils.register import registers
  from delta.utils.register import import_all_modules_for_register
  from delta.serving.base_frozen_model import Evaluater
label_desc: Use image node_id 2 for calling the SpkSpeechEvaluater obj's underlying member method code with example usage: obj.postproc(pred, features) without return types