[refactor] Single quotes consistency

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

diff --git a/youtube_dl/extractor/mofosex.py b/youtube_dl/extractor/mofosex.py
index f8226cbb29efa1a5e538f9ce3a46ca1d38214604..e47c8011924cb0f5ecddefd33b35debd0324d5a9 100644 (file)
--- a/youtube_dl/extractor/mofosex.py
+++ b/youtube_dl/extractor/mofosex.py
@@ -38,7 +38,7 @@ class MofosexIE(InfoExtractor):
         path = compat_urllib_parse_urlparse(video_url).path
         extension = os.path.splitext(path)[1][1:]
         format = path.split('/')[5].split('_')[:2]
-        format = "-".join(format)
+        format = '-'.join(format)
 
         age_limit = self._rta_search(webpage)