--- a/hgext/win32mbcs.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/hgext/win32mbcs.py	Fri Nov 27 17:03:29 2020 -0500
@@ -70,7 +70,9 @@
 # Encoding.encoding may be updated by --encoding option.
 # Use a lambda do delay the resolution.
 configitem(
-    b'win32mbcs', b'encoding', default=lambda: encoding.encoding,
+    b'win32mbcs',
+    b'encoding',
+    default=lambda: encoding.encoding,
 )
 
 _encoding = None  # see extsetup