code: def iter_html_files(directory):
      for path, directories, filenames in os.walk(directory):
          for filename in filenames:
              if filename.endswith(".html"):
                  yield os.path.join(path, filename)
  
file_path: neupy/site/search-index/htmltools.py
imports: import os
  from collections import namedtuple
  from bs4 import BeautifulSoup
  from six.moves.urllib.parse import urljoin, urlparse
  from webgraph import Link
label_desc: Use image node_id 1 for calling a global function with example usage: iter_html_files(directory) without return types