result = ie.extract('http://www.ustream.tv/channel/young-americans-for-liberty')
self.assertIsPlaylist(result)
self.assertEqual(result['id'], '5124905')
result = ie.extract('http://www.ustream.tv/channel/young-americans-for-liberty')
self.assertIsPlaylist(result)
self.assertEqual(result['id'], '5124905')