--- a/mercurial/patch.py	Thu Feb 02 17:33:56 2023 +0100
+++ b/mercurial/patch.py	Thu Feb 02 17:34:09 2023 +0100
@@ -1703,7 +1703,7 @@
 
     newhunks = []
     for c in hunks:
-        if util.safehasattr(c, b'reversehunk'):
+        if util.safehasattr(c, 'reversehunk'):
             c = c.reversehunk()
         newhunks.append(c)
     return newhunks