--- a/mercurial/mail.py Mon Jan 06 14:07:43 2025 -0500
+++ b/mercurial/mail.py Mon Jan 06 14:15:40 2025 -0500
@@ -528,4 +528,4 @@
except UnicodeDecodeError:
pass
uparts.append(part.decode('ISO-8859-1'))
- return encoding.unitolocal(u' '.join(uparts))
+ return encoding.unitolocal(' '.join(uparts))