--- a/mercurial/statprof.py	Mon Jan 06 13:54:40 2025 -0500
+++ b/mercurial/statprof.py	Mon Jan 06 14:07:43 2025 -0500
@@ -959,16 +959,14 @@
     for sample in data.samples:
         stack = tuple(
             (
-                (
-                    '%s:%d'
-                    % (
-                        simplifypath(pycompat.sysstr(frame.path)),
-                        frame.lineno or -1,
-                    ),
-                    pycompat.sysstr(frame.function),
-                )
-                for frame in sample.stack
+                '%s:%d'
+                % (
+                    simplifypath(pycompat.sysstr(frame.path)),
+                    frame.lineno or -1,
+                ),
+                pycompat.sysstr(frame.function),
             )
+            for frame in sample.stack
         )
         qstack = collections.deque(stack)
         if laststack == qstack: