docs: def get_page_tags(page):
      """
      Retrieves all the tags for a Page instance.
  
      :param page: a Page instance
  
      :return: list or queryset of attached tags
      :type: List
      """
      from .models import PageTags
      try:
          return page.pagetags.tags.all()
      except PageTags.DoesNotExist:
          return []