#22751: fix test___all__ warning about modified environment in the tests.  Patch by Michael Cetrulo.
diff --git a/Misc/ACKS b/Misc/ACKS
index 1efdab4..f0950eb 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -222,6 +222,7 @@
 Matej Cepl
 Carl Cerecke
 Octavian Cerna
+Michael Cetrulo
 Dave Chambers
 Pascal Chambon
 John Chandler