diff -r 517a2c1cb788 -r 2174f54aab18 mercurial/wireprotov2server.py
--- a/mercurial/wireprotov2server.py	Sun Aug 01 10:57:21 2021 -0400
+++ b/mercurial/wireprotov2server.py	Mon Aug 02 08:05:13 2021 -0400
@@ -1579,7 +1579,7 @@
 
     # TODO this is a bunch of storage layer interface abstractions because
     # it assumes revlogs.
-    for rl_type, name, encodedname, size in topfiles:
+    for rl_type, name, size in topfiles:
         # XXX use the `rl_type` for that
         if b'changelog' in files and name.startswith(b'00changelog'):
             pass