--- a/mercurial/bundle2.py	Thu Mar 03 17:39:20 2022 -0800
+++ b/mercurial/bundle2.py	Thu Mar 03 18:28:30 2022 -0800
@@ -2239,7 +2239,7 @@
         b'remote repository changed while pushing - please try again '
         b'(%s is %s expected %s)'
     )
-    for expectedphase, nodes in pycompat.iteritems(phasetonodes):
+    for expectedphase, nodes in phasetonodes.items():
         for n in nodes:
             actualphase = phasecache.phase(unfi, cl.rev(n))
             if actualphase != expectedphase: