class_docstr: Preparer for sequence labeling.
class_docstr_tok: ["Preparer","for","sequence","labeling","."]
code: def save_a_raw_file(
      self, label, text_after, one_path_after, infer_without_label
  ):
      text_path, target_path = one_path_after
      if infer_without_label:
          text = text_after[0]
      else:
          text, target = text_after
          data_utils.save_a_text_seq2seq_file(target, target_path)
      data_utils.save_a_text_seq2seq_file(text, text_path)
  
file_path: delta/delta/data/preprocess/text_seq2seq_preparer.py
imports: import os
  from delta import utils
  from absl import logging
  from delta.data.preprocess.base_preparer import TextPreparer
  from delta.data import utils
  from delta.utils.register import registers
  from delta.data.preprocess.utils import prepare_vocab
  from delta.data.preprocess.utils import prepare_vocab_from_config
  from delta.data.preprocess.text_ops import load_textline_dataset
  from delta.data.utils.common_utils import get_file_len
label_desc: Use image node_id 4 for calling the TextS2SPreparer obj's underlying member method code with example usage: obj.save_a_raw_file(label, text_after, one_path_after, infer_without_label) without return types