diff --git a/youtube_dl/extractor/bild.py b/youtube_dl/extractor/bild.py
index ba0c185eb3..41dd1cbc13 100644
--- a/youtube_dl/extractor/bild.py
+++ b/youtube_dl/extractor/bild.py
@@ -3,8 +3,8 @@
 
 from .common import InfoExtractor
 from ..utils import (
-  int_or_none,
-  fix_xml_ampersands,
+    int_or_none,
+    fix_xml_ampersands,
 )