Add complex to the dispatch tables, to avoid going through the whole

rigmarole of __reduce__.

Lib/copy.py

@@ -96,6 +96,10 @@ d[types.NoneType] = _copy_atomic
 d[types.IntType] = _copy_atomic
 d[types.LongType] = _copy_atomic
 d[types.FloatType] = _copy_atomic
+try:
+    d[types.ComplexType] = _copy_atomic
+except AttributeError:
+    pass
 d[types.StringType] = _copy_atomic
 try:
     d[types.UnicodeType] = _copy_atomic
@@ -184,6 +188,10 @@ d[types.NoneType] = _deepcopy_atomic
 d[types.IntType] = _deepcopy_atomic
 d[types.LongType] = _deepcopy_atomic
 d[types.FloatType] = _deepcopy_atomic
+try:
+    d[types.ComplexType] = _deepcopy_atomic
+except AttributeError:
+    pass
 d[types.StringType] = _deepcopy_atomic
 try:
     d[types.UnicodeType] = _deepcopy_atomic