class_docstr: base evaluater 
class_docstr_tok: ["base","evaluater"]
docstr: prost processing 
docstr_tok: ["prost","processing"]
code: def postproc(self, pred, features=None):
      """prost processing"""
      result = np.argmax(pred, axis=-1)
      return result
  
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 4 for calling the SpeechEvaluater obj's underlying member method code with example usage: obj.postproc(pred, features) and returns: result