File ticket13625.patch of Package trac

--- trac/versioncontrol/web_ui/changeset.py~ 2023-11-07 15:06:06.000000000 +0100
+++ trac/versioncontrol/web_ui/changeset.py  2023-11-07 15:07:03.797373426 +0100
@@ -686,7 +686,7 @@
         if Chrome(self.env).use_chunked_encoding:
             length = None
         else:
-            output = ''.join(output)
+            output = b''.join(output)
             length = len(output)
 
         req.send_response(200)