if player_url.startswith(u'//'):
player_url = u'https:' + player_url
try:
- player_id = (player_url, len(s))
+ player_id = (player_url, self._signature_cache_id(s))
if player_id not in self._player_cache:
func = self._extract_signature_function(
video_id, player_url, s