--- a/mercurial/linelog.py	Mon Jul 22 16:49:38 2024 +0200
+++ b/mercurial/linelog.py	Tue Jul 23 10:02:46 2024 +0200
@@ -53,6 +53,7 @@
 
 
 class _llinstruction:  # pytype: disable=ignored-metaclass
+
     __metaclass__ = abc.ABCMeta
 
     @abc.abstractmethod