Fix "invalid escape sequences" error on Python 3.6

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

diff --git a/youtube_dl/extractor/thisamericanlife.py b/youtube_dl/extractor/thisamericanlife.py
index 36493a5de06cb0401b78fc5f1ecf2fca59208cb7..91e45f2c3def81545454e20e0b5e07617fa54030 100644 (file)
--- a/youtube_dl/extractor/thisamericanlife.py
+++ b/youtube_dl/extractor/thisamericanlife.py
@@ -13,7 +13,7 @@ class ThisAmericanLifeIE(InfoExtractor):
             'ext': 'm4a',
             'title': '487: Harper High School, Part One',
             'description': 'md5:ee40bdf3fb96174a9027f76dbecea655',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://www.thisamericanlife.org/play_full.php?play=487',