Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/criterion.py b/youtube_dl/extractor/criterion.py
index cf6a5d6cbe906443b1db592616cd89926860bbdd..f7815b905d13910e0a931f2609fa015c9ac3f00a 100644 (file)
--- a/youtube_dl/extractor/criterion.py
+++ b/youtube_dl/extractor/criterion.py
@@ -14,7 +14,7 @@ class CriterionIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Le Samouraï',
             'description': 'md5:a2b4b116326558149bef81f76dcbb93f',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }