Make test_ossaudiodev work.

Lib/test/test_ossaudiodev.py

@@ -56,7 +56,7 @@ class OSSAudioDevTests(unittest.TestCase):
         dsp.fileno()
 
         # Make sure the read-only attributes work.
-        self.failUnless(dsp.close)
+        self.failIf(dsp.closed)
         self.assertEqual(dsp.name, "/dev/dsp")
         self.assertEqual(dsp.mode, "w", "bad dsp.mode: %r" % dsp.mode)
 
@@ -74,7 +74,7 @@ class OSSAudioDevTests(unittest.TestCase):
 
         # set parameters based on .au file headers
         dsp.setparameters(AFMT_S16_NE, nchannels, rate)
-        self.assertEquals("%.2f" % expected_time, "2.93")
+        self.assertTrue(abs(expected_time - 2.94) < 1e-2, expected_time)
         t1 = time.time()
         dsp.write(data)
         dsp.close()