--- a/mercurial/dirstateutils/timestamp.py	Sun Jan 05 22:12:02 2025 -0500
+++ b/mercurial/dirstateutils/timestamp.py	Sun Jan 05 22:23:31 2025 -0500
@@ -38,7 +38,7 @@
     def __new__(cls, value):
         truncated_seconds, subsec_nanos, second_ambiguous = value
         value = (truncated_seconds & rangemask, subsec_nanos, second_ambiguous)
-        return super(timestamp, cls).__new__(cls, value)
+        return super().__new__(cls, value)
 
     def __eq__(self, other):
         raise error.ProgrammingError(