diff -r 06de08b36c82 -r 2cce2fa5bcf7 mercurial/ui.py
--- a/mercurial/ui.py	Mon Feb 21 11:24:57 2022 -0700
+++ b/mercurial/ui.py	Tue Mar 01 20:52:32 2022 -0800
@@ -2117,9 +2117,7 @@
         """
         if not self._loggers:
             return
-        activeloggers = [
-            l for l in pycompat.itervalues(self._loggers) if l.tracked(event)
-        ]
+        activeloggers = [l for l in self._loggers.values() if l.tracked(event)]
         if not activeloggers:
             return
         msg = msgfmt % msgargs