Merged revisions 77727 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77727 | ezio.melotti | 2010-01-24 18:58:36 +0200 (Sun, 24 Jan 2010) | 1 line

  use assert[Not]IsInstance where appropriate
........
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index e9c2c4f..b2dcd8d 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -319,18 +319,18 @@
             tb = sys.exc_info()[2]
 
         e = BaseException().with_traceback(tb)
-        self.assertTrue(isinstance(e, BaseException))
+        self.assertIsInstance(e, BaseException)
         self.assertEqual(e.__traceback__, tb)
 
         e = IndexError(5).with_traceback(tb)
-        self.assertTrue(isinstance(e, IndexError))
+        self.assertIsInstance(e, IndexError)
         self.assertEqual(e.__traceback__, tb)
 
         class MyException(Exception):
             pass
 
         e = MyException().with_traceback(tb)
-        self.assertTrue(isinstance(e, MyException))
+        self.assertIsInstance(e, MyException)
         self.assertEqual(e.__traceback__, tb)
 
     def testInvalidTraceback(self):