class MotherlessGroupIE(InfoExtractor):
- _VALID_URL = 'https?://(?:www\.)?motherless\.com/gv?/(?P<id>[a-z0-9_]+)'
+ _VALID_URL = r'https?://(?:www\.)?motherless\.com/gv?/(?P<id>[a-z0-9_]+)'
_TESTS = [{
'url': 'http://motherless.com/g/movie_scenes',
'info_dict': {