--- a/mercurial/narrowspec.py	Thu Jul 18 12:03:29 2024 +0200
+++ b/mercurial/narrowspec.py	Thu Jul 18 12:36:12 2024 +0200
@@ -225,7 +225,6 @@
         m = "changing narrow spec outside of a transaction"
         raise error.ProgrammingError(m)
     else:
-
         reporef = weakref.ref(repo)
 
         def clean_pending(tr):