diff -r 346af7687c6f -r 89a2afe31e82 mercurial/utils/compression.py
--- a/mercurial/utils/compression.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/mercurial/utils/compression.py	Fri Nov 27 17:03:29 2020 -0500
@@ -29,7 +29,8 @@
 CLIENTROLE = b'client'
 
 compewireprotosupport = collections.namedtuple(
-    'compenginewireprotosupport', ('name', 'serverpriority', 'clientpriority'),
+    'compenginewireprotosupport',
+    ('name', 'serverpriority', 'clientpriority'),
 )