Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/playwire.py b/youtube_dl/extractor/playwire.py
index 0bc7431189a0eed819fb85a6fbbdc1558a4b84ed..4d96a10a7156225140eee7b1332a282316efb928 100644 (file)
--- a/youtube_dl/extractor/playwire.py
+++ b/youtube_dl/extractor/playwire.py
@@ -18,7 +18,7 @@ class PlaywireIE(InfoExtractor):
             'id': '3353705',
             'ext': 'mp4',
             'title': 'S04_RM_UCL_Rus',
-            'thumbnail': 're:^https?://.*\.png$',
+            'thumbnail': r're:^https?://.*\.png$',
             'duration': 145.94,
         },
     }, {