diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index e27a09509..f32f22a5a 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -1400,7 +1400,7 @@ from .webofstories import (
     WebOfStoriesPlaylistIE,
 )
 from .weibo import (
-    WeiboIE, 
+    WeiboIE,
     WeiboMobileIE
 )
 from .weiqitv import WeiqiTVIE