diff -r 06de08b36c82 -r 2cce2fa5bcf7 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Mon Feb 21 11:24:57 2022 -0700
+++ b/mercurial/localrepo.py	Tue Mar 01 20:52:32 2022 -0800
@@ -2139,7 +2139,7 @@
             nodetagscache = {}
             for t, n in self._tagscache.tags.items():
                 nodetagscache.setdefault(n, []).append(t)
-            for tags in pycompat.itervalues(nodetagscache):
+            for tags in nodetagscache.values():
                 tags.sort()
             self._tagscache.nodetagscache = nodetagscache
         return self._tagscache.nodetagscache.get(node, [])