Issue 12514: Use try/finally to assure that timeit restores GC when done.
diff --git a/Misc/ACKS b/Misc/ACKS
index 0958490..bfbbf69 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -672,6 +672,7 @@
 Marc Recht
 John Redford
 Terry Reedy
+Gareth Rees
 Steve Reeves
 Lennart Regebro
 Ofir Reichenberg