code: def remove_new_lines_fixture():
      return remove_new_lines
  
imports: from typing import Dict, Tuple, Optional
  import os
  import pytest
  import spacy
  from spacy.language import Language
  from spacy.cli.download import download
  from scispacy.custom_sentence_segmenter import pysbd_sentencizer
  from scispacy.custom_tokenizer import combined_rule_tokenizer, combined_rule_prefixes, remove_new_lines
  from scispacy.abbreviation import AbbreviationDetector
label_desc: Use image node_id 13 for calling a global function with example usage: remove_new_lines_fixture() and returns: remove_new_lines