diff --git a/Lib/copy.py b/Lib/copy.py
index 86fc978e71a..cf0b1af3671 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -197,7 +197,10 @@ def _deepcopy_atomic(x, memo):
     d[types.UnicodeType] = _deepcopy_atomic
 except AttributeError:
     pass
-d[types.CodeType] = _deepcopy_atomic
+try:
+    d[types.CodeType] = _deepcopy_atomic
+except AttributeError:
+    pass
 d[types.TypeType] = _deepcopy_atomic
 d[types.XRangeType] = _deepcopy_atomic
 
diff --git a/Misc/ACKS b/Misc/ACKS
index 9a49b8628f4..51780d87c1b 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -176,6 +176,7 @@ Milton L. Hankins
 Stephen Hansen
 Barry Hantman
 Lynda Hardman
+Derek Harland
 Jason Harper
 Gerhard Häring
 Larry Hastings