class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
- _VALID_URL = 'https?://www\.youtube\.com/feed/history|:ythistory'
+ _VALID_URL = r'https?://www\.youtube\.com/feed/history|:ythistory'
_FEED_NAME = 'history'
_PLAYLIST_TITLE = 'Youtube History'