--- a/mercurial/store.py	Thu Mar 03 17:39:20 2022 -0800
+++ b/mercurial/store.py	Thu Mar 03 18:28:30 2022 -0800
@@ -144,7 +144,7 @@
         cmap[xchr(x)] = e + xchr(x).lower()
 
     dmap = {}
-    for k, v in pycompat.iteritems(cmap):
+    for k, v in cmap.items():
         dmap[v] = k
 
     def decode(s):