Oops, forgot to attach this to an issue, should be #495.

On Mon, Jun 8, 2020 at 10:50 AM Alex Page <a.t.page@gmail.com> wrote:
# HG changeset patch
# User Alex Page <a.t.page@gmail.com>
# Date 1591627744 14400
#      Mon Jun 08 10:49:04 2020 -0400
# Branch py3
# Node ID 8831ed2fd44de57b6177ce0d47ebd5530b8f3256
# Parent  64ee0e070f2298571c9b2656396c653a59e01b67
Use items() rather than iteritems() in mainapp

diff --git a/chirp/ui/mainapp.py b/chirp/ui/mainapp.py
--- a/chirp/ui/mainapp.py
+++ b/chirp/ui/mainapp.py
@@ -1529,7 +1529,7 @@
             conf = config.get("memedit")
             conf.set_bool("hide_unused", action.get_active())
         else:
-            for editortype, editor in eset.editors.iteritems():
+            for editortype, editor in eset.editors.items():
                 if "memedit" in editortype:
                     editor.set_hide_unused(action.get_active())