Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/teachertube.py b/youtube_dl/extractor/teachertube.py
index df5d5556fadf82c8dc680643389fdeccf989793f..f14713a78904c0e879571d6642061f3baa7a617a 100644 (file)
--- a/youtube_dl/extractor/teachertube.py
+++ b/youtube_dl/extractor/teachertube.py
@@ -24,7 +24,7 @@ class TeacherTubeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Measures of dispersion from a frequency table',
             'description': 'Measures of dispersion from a frequency table',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.teachertube.com/viewVideo.php?video_id=340064',
@@ -34,7 +34,7 @@ class TeacherTubeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'How to Make Paper Dolls _ Paper Art Projects',
             'description': 'Learn how to make paper dolls in this simple',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.teachertube.com/music.php?music_id=8805',