Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/yesjapan.py b/youtube_dl/extractor/yesjapan.py
index 112a6c030138e6c7d0e58619d40f3af012e13362..681338c96a2c743362773e6ea036a5dc64824326 100644 (file)
--- a/youtube_dl/extractor/yesjapan.py
+++ b/youtube_dl/extractor/yesjapan.py
@@ -21,7 +21,7 @@ class YesJapanIE(InfoExtractor):
             'ext': 'mp4',
             'timestamp': 1416391590,
             'upload_date': '20141119',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }