@@ -53,7 +53,7 @@ def extract_url(xpath_results, search_url):
5353 if url.startswith('//'):
5454 # add http or https to this kind of url //example.com/
5555 parsed_search_url = urlparse(search_url)
56− url = u'{0}:{1}'.format(parsed_search_url.scheme, url)
56+ url = u'{0}:{1}'.format(parsed_search_url.scheme or 'http', url)
5757 elif url.startswith('/'):
5858 # fix relative url to the search engine
5959 url = urljoin(search_url, url)