class_docstr: ASR Task 
class_docstr_tok: ["ASR","Task"]
code: def preprocess_batch(self, batch):
      return batch
  
imports: import numpy
  import delta.compat
  from absl import logging
  from delta import utils
  from delta.data.utils import espnet_utils
  from delta.utils.register import registers
  from delta.data.task.base_speech_task import SpeechTask
label_desc: Use image node_id 14 for calling the AsrSeqTask obj's underlying member method code with example usage: obj.preprocess_batch(batch) and returns: batch