Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/muenchentv.py b/youtube_dl/extractor/muenchentv.py
index d9f17613633d245283f5f5745acca2feb273cbf5..2cc2bf229b3bee21fa5b79e40af2a666cd4ccea1 100644 (file)
--- a/youtube_dl/extractor/muenchentv.py
+++ b/youtube_dl/extractor/muenchentv.py
@@ -22,7 +22,7 @@ class MuenchenTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 're:^münchen.tv-Livestream [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'is_live': True,
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         },
         'params': {
             'skip_download': True,