Fix SF bug #1545837: array.array borks on deepcopy.
array.__deepcopy__() needs to take an argument, even if it doesn't actually
use it. Will backport to 2.5 and 2.4 (if applicable.)
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index 62361fc..06f13cd 100755
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -85,6 +85,13 @@
         self.assertNotEqual(id(a), id(b))
         self.assertEqual(a, b)
 
+    def test_deepcopy(self):
+        import copy
+        a = array.array(self.typecode, self.example)
+        b = copy.deepcopy(a)
+        self.assertNotEqual(id(a), id(b))
+        self.assertEqual(a, b)
+
     def test_pickle(self):
         for protocol in (0, 1, 2):
             a = array.array(self.typecode, self.example)