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_bytes.py b/Lib/test/test_bytes.py
index f456226..73f7c02 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -1017,7 +1017,7 @@
 
     def test_basic(self):
         self.assertTrue(issubclass(self.subclass2test, self.type2test))
-        self.assertTrue(isinstance(self.subclass2test(), self.type2test))
+        self.assertIsInstance(self.subclass2test(), self.type2test)
 
         a, b = b"abcd", b"efgh"
         _a, _b = self.subclass2test(a), self.subclass2test(b)