diff --git a/youtube_dl/extractor/tv4.py b/youtube_dl/extractor/tv4.py
index 4fc6572c2..f1974fc9e 100644
--- a/youtube_dl/extractor/tv4.py
+++ b/youtube_dl/extractor/tv4.py
@@ -115,8 +115,9 @@ class TV4IE(InfoExtractor):
         subtitles = {}
         subtitles.setdefault('sv', []).append({
             'url': hardcoded_swedish_subs_url,
-            'ext': 'vtt'})
-        
+            'ext': 'vtt'
+        })
+
         return {
             'id': video_id,
             'title': title,