diff -r a5bba73a1352 -r 87b004378fc4 mercurial/crecord.py
--- a/mercurial/crecord.py	Thu Feb 02 17:21:36 2023 +0100
+++ b/mercurial/crecord.py	Thu Feb 02 17:21:45 2023 +0100
@@ -1944,7 +1944,7 @@
         """
 
         origsigwinch = sentinel = object()
-        if util.safehasattr(signal, b'SIGWINCH'):
+        if util.safehasattr(signal, 'SIGWINCH'):
             origsigwinch = signal.signal(signal.SIGWINCH, self.sigwinchhandler)
         try:
             return self._main(stdscr)