diff -r 39eb3aab3e63 -r 534c0dadd210 hgext/highlight/__init__.py
--- a/hgext/highlight/__init__.py	Mon Jul 10 16:47:25 2023 +0200
+++ b/hgext/highlight/__init__.py	Fri Feb 03 04:20:58 2023 +0100
@@ -101,8 +101,8 @@
 def extsetup(ui):
     # monkeypatch in the new version
     extensions.wrapfunction(
-        webcommands, b'_filerevision', filerevision_highlight
+        webcommands, '_filerevision', filerevision_highlight
     )
-    extensions.wrapfunction(webcommands, b'annotate', annotate_highlight)
+    extensions.wrapfunction(webcommands, 'annotate', annotate_highlight)
     webcommands.highlightcss = generate_css
     webcommands.__all__.append(b'highlightcss')