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_future.py b/Lib/test/test_future.py
index 1cede70..c6689a1 100644
--- a/Lib/test/test_future.py
+++ b/Lib/test/test_future.py
@@ -109,7 +109,7 @@
     def test_unicode_literals_exec(self):
         scope = {}
         exec("from __future__ import unicode_literals; x = ''", {}, scope)
-        self.assertTrue(isinstance(scope["x"], str))
+        self.assertIsInstance(scope["x"], str)
 
 
 def test_main():