diff -r 9e24b3d8e896 -r d6afa9c149c3 mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Fri Dec 11 15:25:11 2020 +0100
+++ b/mercurial/debugcommands.py	Sun Dec 13 18:29:22 2020 -0800
@@ -3850,9 +3850,7 @@
 def debuguigetpass(ui, prompt=b''):
     """show prompt to type password"""
     r = ui.getpass(prompt)
-    if r is not None:
-        r = encoding.strtolocal(r)
-    else:
+    if r is None:
         r = b"<default response>"
     ui.writenoi18n(b'response: %s\n' % r)