code: def get_pyvis_html(iframe):
      """
      located the HTML file generated by PyVis, if any
      """
      source_html = None
      m_source = PAT_SOURCE.search(iframe)
  
      if m_source:
          source_html = m_source.group(1)
  
          if "tmp.fig" not in source_html:
              # the <iframe/> wasn't generated by PyVis
              source_html = None
  
      return source_html
  
file_path: pytextrank/bin/vis_doc.py
imports: from selenium import webdriver
  from selenium.webdriver.chrome.options import Options
  import os
  import pathlib
  import re
  import sys
  import time
label_desc: Use image node_id 1 for calling a global function with example usage: get_pyvis_html(iframe) and returns: source_html