docstr: Resume from the checkpoint at checkpoints in the output
  directory or load a specified checkpoint.
docstr_tok: ["Resume","from","the","checkpoint","at","checkpoints","in","the","output","directory","or","load","a","specified","checkpoint","."]
code: def resume(self, checkpoint):
      """Resume from the checkpoint at checkpoints in the output
      directory or load a specified checkpoint.
      """
      model_dict = paddle.load(checkpoint)
      self.model.set_state_dict(model_dict)
  
file_path: PaddleHub/modules/audio/asr/u2_conformer_aishell/u2_conformer_tester.py
imports: import os
  import sys
  import paddle
  from deepspeech.frontend.featurizer.text_featurizer import TextFeaturizer
  from deepspeech.io.collator import SpeechCollator
  from deepspeech.models.u2 import U2Model
  from deepspeech.utils import mp_tools
  from deepspeech.utils.utility import UpdateConfig
label_desc: Use image node_id 4 for calling the U2ConformerTester obj's underlying member method code with example usage: obj.resume(checkpoint) without return types