code: def __init__(self, decoder, emissions):
      self.decoder = decoder
      self.emissions = emissions
  
imports: import ast
  import logging
  import math
  import os
  import sys
  import editdistance
  import numpy
  import torch
  from fairseq import checkpoint_utils, options, progress_bar, tasks, utils
  from fairseq.data.data_utils import post_process
  from fairseq.logging.meters import StopwatchMeter, TimeMeter
label_desc: Use image node_id 1 to create a new ExistingEmissionsDecoder object from inherited base classes: object with example: obj = ExistingEmissionsDecoder(decoder, emissions)