Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/mgoon.py b/youtube_dl/extractor/mgoon.py
index 94bc87b00797951f932394166d6c5b8f5c3e6d1a..7bb473900fcdb39dccbabbed325350fc04349c4f 100644 (file)
--- a/youtube_dl/extractor/mgoon.py
+++ b/youtube_dl/extractor/mgoon.py
@@ -27,7 +27,7 @@ class MgoonIE(InfoExtractor):
                 'upload_date': '20131220',
                 'ext': 'mp4',
                 'title': 'md5:543aa4c27a4931d371c3f433e8cebebc',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             }
         },
         {