Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/expotv.py b/youtube_dl/extractor/expotv.py
index ef11962f35035617a589e91cde5db43659099f66..95a8977821d3c292470e42f0f9170674ed9a6aa2 100644 (file)
--- a/youtube_dl/extractor/expotv.py
+++ b/youtube_dl/extractor/expotv.py
@@ -17,7 +17,7 @@ class ExpoTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'NYX Butter Lipstick Little Susie',
             'description': 'Goes on like butter, but looks better!',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Stephanie S.',
             'upload_date': '20150520',
             'view_count': int,