docs: def staff_toolbar(context):
      """
      Display the staff toolbar
      :param context:
      :type context:
      :return:
      :rtype:
      """
      request = context['request']
      if not request.user.is_staff:
          return u''
  
      toolbar_html = toolbar_root(request, context)
      return format_html(u'<nav id="django-staff-toolbar">{0}</nav>', toolbar_html)