diff -r 2704dc40cf10 -r 26e63204c31e mercurial/templateutil.py
--- a/mercurial/templateutil.py	Fri Feb 03 02:57:49 2023 +0100
+++ b/mercurial/templateutil.py	Thu Feb 02 17:37:51 2023 +0100
@@ -858,7 +858,7 @@
         )
     elif thing is None:
         pass
-    elif not util.safehasattr(thing, b'__iter__'):
+    elif not util.safehasattr(thing, '__iter__'):
         yield pycompat.bytestr(thing)
     else:
         for i in thing: