Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/mgtv.py b/youtube_dl/extractor/mgtv.py
index e0bb5d208856a121f40f533fcacf3b7bd98d13ea..659ede8c2254d6ce524953c298c8a69b0b13d745 100644 (file)
--- a/youtube_dl/extractor/mgtv.py
+++ b/youtube_dl/extractor/mgtv.py
@@ -18,7 +18,7 @@ class MGTVIE(InfoExtractor):
             'title': '我是歌手第四季双年巅峰会：韩红李玟“双王”领军对抗',
             'description': '我是歌手第四季双年巅峰会',
             'duration': 7461,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         # no tbr extracted from stream_url