--- a/Lib/test/test_sys.py	Sat Jun 09 17:31:59 2012 +0100
+++ b/Lib/test/test_sys.py	Mon May 21 23:01:17 2012 -0400
@@ -419,7 +419,6 @@
         self.assertIsInstance(sys.builtin_module_names, tuple)
         self.assertIsInstance(sys.copyright, str)
         self.assertIsInstance(sys.exec_prefix, str)
-        self.assertIsInstance(sys.base_exec_prefix, str)
         self.assertIsInstance(sys.executable, str)
         self.assertEqual(len(sys.float_info), 11)
         self.assertEqual(sys.float_info.radix, 2)
@@ -451,7 +450,6 @@
         self.assertEqual(sys.maxunicode, 0x10FFFF)
         self.assertIsInstance(sys.platform, str)
         self.assertIsInstance(sys.prefix, str)
-        self.assertIsInstance(sys.base_prefix, str)
         self.assertIsInstance(sys.version, str)
         vi = sys.version_info
         self.assertIsInstance(vi[:], tuple)
@@ -543,8 +541,6 @@
         out = p.communicate()[0].strip()
         self.assertEqual(out, b'?')
 
-    @unittest.skipIf(sys.base_prefix != sys.prefix,
-                     'Test is not venv-compatible')
     def test_executable(self):
         # sys.executable should be absolute
         self.assertEqual(os.path.abspath(sys.executable), sys.executable)
@@ -581,28 +577,6 @@
             expected = None
         self.check_fsencoding(fs_encoding, expected)
 
-    def test_implementation(self):
-        # This test applies to all implementations equally.
-
-        levels = {'alpha': 0xA, 'beta': 0xB, 'candidate': 0xC, 'release': 0xF}
-
-        self.assertTrue(hasattr(sys.implementation, 'name'))
-        self.assertTrue(hasattr(sys.implementation, 'version'))
-        self.assertTrue(hasattr(sys.implementation, 'hexversion'))
-        self.assertTrue(hasattr(sys.implementation, 'cache_tag'))
-
-        version = sys.implementation.version
-        self.assertEqual(version[:2], (version.major, version.minor))
-
-        hexversion = (version.major << 24 | version.minor << 16 |
-                      version.micro << 8 | levels[version.releaselevel] << 4 |
-                      version.serial << 0)
-        self.assertEqual(sys.implementation.hexversion, hexversion)
-
-        # PEP 421 requires that .name be lower case.
-        self.assertEqual(sys.implementation.name,
-                         sys.implementation.name.lower())
-
 
 class SizeofTest(unittest.TestCase):
 
@@ -800,7 +774,7 @@
         check(int(PyLong_BASE**2-1), size(vh) + 2*self.longdigit)
         check(int(PyLong_BASE**2), size(vh) + 3*self.longdigit)
         # memoryview
-        check(memoryview(b''), size(h + 'PPiP4P2i5P3c2P'))
+        check(memoryview(b''), size(h + 'PPiP4P2i5P3cP'))
         # module
         check(unittest, size(h + '3P'))
         # None