code: def test_assert_markdown_links_not_broken() -> None:
      root = _get_root()
      files = _get_markdown_files(root)
      assert len(files) > 3
  
      links = _get_all_markdown_links(root, files)
      assert len(links) > 5, "There should be several hyperlinks!"
      broken_links = [l for l in links if not l.exists()]
      assert not broken_links
  
file_path: submitit/submitit/test_documentation.py
imports: import re
  import typing
  from pathlib import Path
  import submitit
label_desc: Use image node_id 4 for calling a global function with example usage: test_assert_markdown_links_not_broken() without return types