try:
self.to_screen('%s: Checking %s video format URL' % (video_id, format_id))
self._downloader._opener.open(video_url, timeout=5).close()
try:
self.to_screen('%s: Checking %s video format URL' % (video_id, format_id))
self._downloader._opener.open(video_url, timeout=5).close()