Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/presstv.py b/youtube_dl/extractor/presstv.py
index 2da93ed348671a363120d03cb626a4e9d808fd9d..b5c279203b9486e765f6e79f2d9ce8b67acf73b1 100644 (file)
--- a/youtube_dl/extractor/presstv.py
+++ b/youtube_dl/extractor/presstv.py
@@ -19,7 +19,7 @@ class PressTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Organic mattresses used to clean waste water',
             'upload_date': '20160409',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'description': 'md5:20002e654bbafb6908395a5c0cfcd125'
         }
     }