@register.simple_tag
def bootstrap_css():
 rendered_urls = [render_link_tag(bootstrap_css_url())]
 if bootstrap_theme_url():
  rendered_urls.append(render_link_tag(bootstrap_theme_url()))
 return mark_safe(u''.join([url for url in rendered_urls]))

@ register . simple_tag def bootstrap_css ( ) : rendered_urls = [ render_link_tag ( bootstrap_css_url ( ) ) ] if bootstrap_theme_url ( ) : rendered_urls . append ( render_link_tag ( bootstrap_theme_url ( ) ) ) return mark_safe ( u'' . join ( [ url for url in rendered_urls ] ) )
return html for bootstrap css .