docs: def __yahoo_request(query):
      """Request Yahoo Finance information.
  
      Request information from YQL.
      `Check <http://goo.gl/8AROUD>`_ for more information on YQL.
      """
      query = quote(query)
      url = 'https://query.yahooapis.com/v1/public/yql?q=' + query + \
          '&format=json&env=store://datatables.org/alltableswithkeys'
  
      response = urlopen(url).read()
  
      return json.loads(response.decode('utf-8'))['query']['results']