diff --git a/beets/autotag/__init__.py b/beets/autotag/__init__.py
index 7487477e5..822bb60ef 100644
--- a/beets/autotag/__init__.py
+++ b/beets/autotag/__init__.py
@@ -158,4 +158,4 @@ def apply_metadata(album_info, mapping):
         if track_info.arranger is not None:
             item.arranger = track_info.arranger
 
-        item.track_alt = track_info.track_alt
\ No newline at end of file
+        item.track_alt = track_info.track_alt