Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/ustudio.py b/youtube_dl/extractor/ustudio.py
index 3484a204658e1f09d472c0b31026ec6621121f1f..56509beedc027ae9eae3f3f36d91be32238d729a 100644 (file)
--- a/youtube_dl/extractor/ustudio.py
+++ b/youtube_dl/extractor/ustudio.py
@@ -22,7 +22,7 @@ class UstudioIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'San Francisco: Golden Gate Bridge',
             'description': 'md5:23925500697f2c6d4830e387ba51a9be',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20111107',
             'uploader': 'Tony Farley',
         }