Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/coub.py b/youtube_dl/extractor/coub.py
index a901b8d2223fb7606538d8dcd98e19905ff3889c..5fa1f006b82675d299d1cef30fbe2108496256d5 100644 (file)
--- a/youtube_dl/extractor/coub.py
+++ b/youtube_dl/extractor/coub.py
@@ -20,7 +20,7 @@ class CoubIE(InfoExtractor):
             'id': '5u5n1',
             'ext': 'mp4',
             'title': 'The Matrix Moonwalk',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 4.6,
             'timestamp': 1428527772,
             'upload_date': '20150408',