code: def update_metric(self, eval_metric, labels):
      assert self.binded and self.params_initialized
  
imports: import logging
  import copy
  import time
  import os
  import mxnet
  import numpy
  from mxnet import context
  from mxnet.initializer import Uniform
  from mxnet.module.base_module import BaseModule
  from mxnet.module.module import Module
  from mxnet import metric
  from mxnet.model import BatchEndParam
  from mxnet import io
  import mxnet.ndarray
  from config import config
label_desc: Use image node_id 22 for calling the ParallModule obj's underlying member method code with example usage: obj.update_metric(eval_metric, labels) without return types