docs: def slugify(text):
      """
      Returns a slug of given text, normalizing unicode data for file-safe
      strings. Used for deciding where to write images to disk.
  
      Parameters
      ----------
      text : string
          The string to slugify
  
      Returns
      -------
      slug : string
          A normalized slug representation of the text
  
      .. seealso:: http://yashchandra.com/2014/05/08/how-to-generate-clean-url-or-a-slug-in-python/
      """
      slug = re.sub(r'[^\w]+', ' ', text)
      slug = "-".join(slug.lower().strip().split())
      return slug