diff --git a/beetsplug/lastgenre/__init__.py b/beetsplug/lastgenre/__init__.py
index 3981a4a3c..950d0c71b 100644
--- a/beetsplug/lastgenre/__init__.py
+++ b/beetsplug/lastgenre/__init__.py
@@ -202,7 +202,7 @@ class LastGenrePlugin(plugins.BeetsPlugin):
             """Remove duplicates from sequence wile preserving order"""
             seen = set()
             seen_add = seen.add
-            return [ x for x in seq if x not in seen and not seen_add(x)]
+            return [x for x in seq if x not in seen and not seen_add(x)]
 
         tags = remove_duplicates(tags)