Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/jove.py b/youtube_dl/extractor/jove.py
index cf73cd7533177d028cee83a2a013914b93f64b15..f9a034b78e41a8ec4b998f956c25c47715d6b1c7 100644 (file)
--- a/youtube_dl/extractor/jove.py
+++ b/youtube_dl/extractor/jove.py
@@ -21,7 +21,7 @@ class JoveIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Electrode Positioning and Montage in Transcranial Direct Current Stimulation',
                 'description': 'md5:015dd4509649c0908bc27f049e0262c6',
-                'thumbnail': 're:^https?://.*\.png$',
+                'thumbnail': r're:^https?://.*\.png$',
                 'upload_date': '20110523',
             }
         },
@@ -33,7 +33,7 @@ class JoveIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Culturing Caenorhabditis elegans in Axenic Liquid Media and Creation of Transgenic Worms by Microparticle Bombardment',
                 'description': 'md5:35ff029261900583970c4023b70f1dc9',
-                'thumbnail': 're:^https?://.*\.png$',
+                'thumbnail': r're:^https?://.*\.png$',
                 'upload_date': '20140802',
             }
         },