Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/spiegeltv.py b/youtube_dl/extractor/spiegeltv.py
index 034bd47ff617bdc96d572b7065b3af03c7117468..e1cfb869834cf0d50b04a11c5fc137d7c9afcad8 100644 (file)
--- a/youtube_dl/extractor/spiegeltv.py
+++ b/youtube_dl/extractor/spiegeltv.py
@@ -18,7 +18,7 @@ class SpiegeltvIE(InfoExtractor):
             'ext': 'm4v',
             'title': 'Flug MH370',
             'description': 'Das Rätsel um die Boeing 777 der Malaysia-Airlines',
-            'thumbnail': 're:http://.*\.jpg$',
+            'thumbnail': r're:http://.*\.jpg$',
         },
         'params': {
             # m3u8 download