diff --git a/beets/autotag/mb.py b/beets/autotag/mb.py
index be62f840d..6292ae77d 100644
--- a/beets/autotag/mb.py
+++ b/beets/autotag/mb.py
@@ -294,10 +294,10 @@ def album_info(release):
     # for albums with more than 500 tracks
     if ntracks > 500:
         recording_list = []
-        for i in range((ntracks//100)+1):
+        for i in range((ntracks // 100) + 1):
             recording_list.extend(musicbrainzngs.browse_recordings(
                     release=release['id'], limit=100, includes=BROWSE_INCLUDES,
-                    offset=100*i)['recording-list'])
+                    offset=100 * i)['recording-list'])
         for medium in release['medium-list']:
             for recording in medium['track-list']:
                 recording_info = list(filter(lambda track: track['id'] ==