code: def _plain_text_keydict(path):
      out_dict = {}  # key: token_list
      for key, tokens in _plain_text_reader(path):
          out_dict[key] = tokens
      return out_dict
  
imports: import speechbrain.utils.edit_distance
  import speechbrain.dataio.wer
label_desc: Use image node_id 2 for calling a global function with example usage: _plain_text_keydict(path) and returns: out_dict