Fix "invalid escape sequences" error on Python 3.6

[youtube-dl] / youtube_dl / extractor / livestream.py

diff --git a/youtube_dl/extractor/livestream.py b/youtube_dl/extractor/livestream.py
index bc7894bf13ed29963aa1dad7880cf8549be1ca77..c863413bf008baa6baf0233b8185a10ea119d091 100644 (file)
--- a/youtube_dl/extractor/livestream.py
+++ b/youtube_dl/extractor/livestream.py
@@ -37,7 +37,7 @@ class LivestreamIE(InfoExtractor):
             'duration': 5968.0,
             'like_count': int,
             'view_count': int,
-            'thumbnail': 're:^http://.*\.jpg$'
+            'thumbnail': r're:^http://.*\.jpg$'
         }
     }, {
         'url': 'http://new.livestream.com/tedx/cityenglish',