Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/orf.py b/youtube_dl/extractor/orf.py
index b4cce7ea9334c7bbaf9e617932189504dcd25121..1e2c54e68c3eb16b0ee8e9afb7b50b07ae429207 100644 (file)
--- a/youtube_dl/extractor/orf.py
+++ b/youtube_dl/extractor/orf.py
@@ -247,7 +247,7 @@ class ORFIPTVIE(InfoExtractor):
             'title': 'Weitere Evakuierungen um Vulkan Calbuco',
             'description': 'md5:d689c959bdbcf04efeddedbf2299d633',
             'duration': 68.197,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20150425',
         },
     }