chromium/third_party/blink/web_tests/external/wpt/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/resources/meta-refresh.py

def main(request, response):
    time = request.url_parts.query if request.url_parts.query else u'0'
    return 200, [[b'Content-Type', b'text/html']], u'<meta http-equiv=refresh content=%s>' % time