diff -r 71fb426ee972 Lib/test/test_array.py
--- a/Lib/test/test_array.py	Mon Jan 07 23:16:49 2013 +0200
+++ b/Lib/test/test_array.py	Mon Jan 07 16:40:59 2013 -0600
@@ -177,7 +177,7 @@
 tests.append(ArrayReconstructorTest)
 
 
-class BaseTest(unittest.TestCase):
+class BaseTest:
     # Required class attributes (provided by subclasses
     # typecode: the typecode to test
     # example: an initializer usable in the constructor for this type
@@ -1036,7 +1036,7 @@
         a = array.array(self.typecode, self.example)
         self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2])
 
-class UnicodeTest(StringTest):
+class UnicodeTest(StringTest, unittest.TestCase):
     typecode = 'u'
     example = '\x01\u263a\x00\ufeff'
     smallerexample = '\x01\u263a\x00\ufefe'
@@ -1216,54 +1216,54 @@
         )
 
 
-class ByteTest(SignedNumberTest):
+class ByteTest(SignedNumberTest, unittest.TestCase):
     typecode = 'b'
     minitemsize = 1
 tests.append(ByteTest)
 
-class UnsignedByteTest(UnsignedNumberTest):
+class UnsignedByteTest(UnsignedNumberTest, unittest.TestCase):
     typecode = 'B'
     minitemsize = 1
 tests.append(UnsignedByteTest)
 
-class ShortTest(SignedNumberTest):
+class ShortTest(SignedNumberTest, unittest.TestCase):
     typecode = 'h'
     minitemsize = 2
 tests.append(ShortTest)
 
-class UnsignedShortTest(UnsignedNumberTest):
+class UnsignedShortTest(UnsignedNumberTest, unittest.TestCase):
     typecode = 'H'
     minitemsize = 2
 tests.append(UnsignedShortTest)
 
-class IntTest(SignedNumberTest):
+class IntTest(SignedNumberTest, unittest.TestCase):
     typecode = 'i'
     minitemsize = 2
 tests.append(IntTest)
 
-class UnsignedIntTest(UnsignedNumberTest):
+class UnsignedIntTest(UnsignedNumberTest, unittest.TestCase):
     typecode = 'I'
     minitemsize = 2
 tests.append(UnsignedIntTest)
 
-class LongTest(SignedNumberTest):
+class LongTest(SignedNumberTest, unittest.TestCase):
     typecode = 'l'
     minitemsize = 4
 tests.append(LongTest)
 
-class UnsignedLongTest(UnsignedNumberTest):
+class UnsignedLongTest(UnsignedNumberTest, unittest.TestCase):
     typecode = 'L'
     minitemsize = 4
 tests.append(UnsignedLongTest)
 
 @unittest.skipIf(not have_long_long, 'need long long support')
-class LongLongTest(SignedNumberTest):
+class LongLongTest(SignedNumberTest, unittest.TestCase):
     typecode = 'q'
     minitemsize = 8
 tests.append(LongLongTest)
 
 @unittest.skipIf(not have_long_long, 'need long long support')
-class UnsignedLongLongTest(UnsignedNumberTest):
+class UnsignedLongLongTest(UnsignedNumberTest, unittest.TestCase):
     typecode = 'Q'
     minitemsize = 8
 tests.append(UnsignedLongLongTest)
@@ -1293,12 +1293,12 @@
             b.byteswap()
             self.assertEqual(a, b)
 
-class FloatTest(FPTest):
+class FloatTest(FPTest, unittest.TestCase):
     typecode = 'f'
     minitemsize = 4
 tests.append(FloatTest)
 
-class DoubleTest(FPTest):
+class DoubleTest(FPTest, unittest.TestCase):
     typecode = 'd'
     minitemsize = 8