code: def to_html(doc, output="/tmp", style="dep"):
      
      # generate filename from first six non-punct tokens
      file_name = "-".join([w.text for w in doc[:6] if not w.is_punct]) + ".html"
      html = displacy.render(doc, style=style, page=True)  # render markup
      if output is not None:
          output_path = Path(output)
          if not output_path.exists():
              output_path.mkdir()
          output_file = Path(output) / file_name
          output_file.open("w", encoding="utf-8").write(html)  # save to file
          print("Saved HTML to {}".format(output_file))
      else:
          print(html)
docs: Doc method extension for saving the current state as a displaCy
      visualization.