Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/ondemandkorea.py b/youtube_dl/extractor/ondemandkorea.py
index c3e830c238d123a9f8fd5f1e057f144198baab19..de1d6b08a409ef79272393ccd3f98607f436e4a3 100644 (file)
--- a/youtube_dl/extractor/ondemandkorea.py
+++ b/youtube_dl/extractor/ondemandkorea.py
@@ -16,7 +16,7 @@ class OnDemandKoreaIE(JWPlatformBaseIE):
             'id': 'ask-us-anything-e43',
             'ext': 'mp4',
             'title': 'Ask Us Anything : E43',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             'skip_download': 'm3u8 download'