diff -r 4a3a9d961561 -r d2f72f702de2 contrib/perf.py
--- a/contrib/perf.py	Fri Jul 21 15:50:56 2023 +0200
+++ b/contrib/perf.py	Thu Jun 22 16:02:12 2023 +0200
@@ -902,7 +902,7 @@
         repocleartagscache()
 
     def t():
-        return len(repo.tags())
+        len(repo.tags())
 
     timer(t, setup=s)
     fm.end()