Merged revisions 78966,78970,79018,79026-79027,79055,79156,79159,79163-79164,79173,79176,79194,79208,79212 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r78966 | florent.xicluna | 2010-03-14 10:20:59 -0500 (Sun, 14 Mar 2010) | 2 lines

  Do not hardcode Expat version.  It's possible to build Python with --with-system-expat option.
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  r78970 | benjamin.peterson | 2010-03-14 21:58:24 -0500 (Sun, 14 Mar 2010) | 1 line

  this little exception dance is pointless
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  r79018 | collin.winter | 2010-03-16 22:04:01 -0500 (Tue, 16 Mar 2010) | 1 line

  Delete unused import.
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  r79026 | vinay.sajip | 2010-03-17 10:05:57 -0500 (Wed, 17 Mar 2010) | 1 line

  Issue #8162: logging: Clarified docstring and documentation for disable function.
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  r79027 | collin.winter | 2010-03-17 12:36:16 -0500 (Wed, 17 Mar 2010) | 1 line

  Avoid hardcoding refcounts in tests.
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  r79055 | benjamin.peterson | 2010-03-18 16:30:48 -0500 (Thu, 18 Mar 2010) | 1 line

  remove installation of deleted test/output dir
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  r79156 | florent.xicluna | 2010-03-20 17:21:02 -0500 (Sat, 20 Mar 2010) | 2 lines

  Cleanup test_struct using check_warnings.
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  r79159 | florent.xicluna | 2010-03-20 17:26:42 -0500 (Sat, 20 Mar 2010) | 2 lines

  Cleanup test_tarfile, and use check_warnings.
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  r79163 | michael.foord | 2010-03-20 19:53:39 -0500 (Sat, 20 Mar 2010) | 1 line

  A faulty load_tests in a test module no longer halts test discovery. A placeholder test, that reports the failure, is created instead.
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  r79164 | michael.foord | 2010-03-20 19:55:58 -0500 (Sat, 20 Mar 2010) | 1 line

  Change order of arguments in a unittest function.
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  r79173 | georg.brandl | 2010-03-21 04:09:38 -0500 (Sun, 21 Mar 2010) | 1 line

  Document that GzipFile supports iteration.
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  r79176 | georg.brandl | 2010-03-21 04:17:41 -0500 (Sun, 21 Mar 2010) | 1 line

  Introduce copy by slicing, used in later chapters.
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  r79194 | florent.xicluna | 2010-03-21 06:58:11 -0500 (Sun, 21 Mar 2010) | 2 lines

  Use assertRaises and add a specific warning filter.
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  r79208 | andrew.kuchling | 2010-03-21 13:47:12 -0500 (Sun, 21 Mar 2010) | 1 line

  Add items
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  r79212 | georg.brandl | 2010-03-21 14:01:38 -0500 (Sun, 21 Mar 2010) | 1 line

  Fix plural.
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diff --git a/Lib/test/test_importhooks.py b/Lib/test/test_importhooks.py
index 1da30b7..ec6730e 100644
--- a/Lib/test/test_importhooks.py
+++ b/Lib/test/test_importhooks.py
@@ -221,15 +221,9 @@
 
     def testBlocker(self):
         mname = "exceptions"  # an arbitrary harmless builtin module
-        if mname in sys.modules:
-            del sys.modules[mname]
+        support.unload(mname)
         sys.meta_path.append(ImportBlocker(mname))
-        try:
-            __import__(mname)
-        except ImportError:
-            pass
-        else:
-            self.fail("'%s' was not supposed to be importable" % mname)
+        self.assertRaises(ImportError, __import__, mname)
 
     def testImpWrapper(self):
         i = ImpWrapper()