--- a/mercurial/templatekw.py	Tue Aug 20 17:46:17 2024 -0400
+++ b/mercurial/templatekw.py	Tue Aug 20 18:30:47 2024 -0400
@@ -482,7 +482,7 @@
     return showlatesttags(context, mapping, None)
 
 
-def showlatesttags(context, mapping, pattern):
+def showlatesttags(context, mapping, pattern) -> _hybrid:
     """helper method for the latesttag keyword and function"""
     latesttags = getlatesttags(context, mapping, pattern)