diff --git a/Lib/decimal.py b/Lib/decimal.py
index a72afdc..d0c4df2 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -3600,12 +3600,12 @@
         return (self.__class__, (str(self),))
 
     def __copy__(self):
-        if type(self) == Decimal:
+        if type(self) is Decimal:
             return self     # I'm immutable; therefore I am my own clone
         return self.__class__(str(self))
 
     def __deepcopy__(self, memo):
-        if type(self) == Decimal:
+        if type(self) is Decimal:
             return self     # My components are also immutable
         return self.__class__(str(self))
 
diff --git a/Lib/distutils/command/bdist_msi.py b/Lib/distutils/command/bdist_msi.py
index 404f215..f13c73b 100644
--- a/Lib/distutils/command/bdist_msi.py
+++ b/Lib/distutils/command/bdist_msi.py
@@ -7,15 +7,12 @@
 Implements the bdist_msi command.
 """
 import sys, os
-from sysconfig import get_python_version
+from sysconfig import get_python_version, get_platform
 
-import sys, os
 from distutils.core import Command
 from distutils.dir_util import remove_tree
-from distutils.sysconfig import get_python_version
 from distutils.version import StrictVersion
 from distutils.errors import DistutilsOptionError
-from distutils.util import get_platform
 from distutils import log
 
 import msilib
diff --git a/Lib/distutils/tests/test_bdist_msi.py b/Lib/distutils/tests/test_bdist_msi.py
new file mode 100644
index 0000000..ba2d3e1
--- /dev/null
+++ b/Lib/distutils/tests/test_bdist_msi.py
@@ -0,0 +1,23 @@
+"""Tests for distutils.command.bdist_msi."""
+import unittest
+import sys
+
+from distutils.tests import support
+
+@unittest.skipUnless(sys.platform=="win32", "These tests are only for win32")
+class BDistMSITestCase(support.TempdirManager,
+                       support.LoggingSilencer,
+                       unittest.TestCase):
+
+    def test_minial(self):
+        # minimal test XXX need more tests
+        from distutils.command.bdist_msi import bdist_msi
+        pkg_pth, dist = self.create_dist()
+        cmd = bdist_msi(dist)
+        cmd.ensure_finalized()
+
+def test_suite():
+    return unittest.makeSuite(BDistMSITestCase)
+
+if __name__ == '__main__':
+    test_support.run_unittest(test_suite())
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 0f8f89a..5b50901 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -145,14 +145,14 @@
         get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
                                        '-fwrapv -O3 -Wall -Wstrict-prototypes')
 
-        maxsize = sys.maxsize
+        maxint = sys.maxsize
         try:
             sys.maxsize = 2147483647
             self.assertEquals(get_platform(), 'macosx-10.3-ppc')
             sys.maxsize = 9223372036854775807
             self.assertEquals(get_platform(), 'macosx-10.3-ppc64')
         finally:
-            sys.maxsize = maxsize
+            sys.maxsize = maxint
 
 
         self._set_uname(('Darwin', 'macziade', '8.11.1',
@@ -164,15 +164,14 @@
 
         get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
                                        '-fwrapv -O3 -Wall -Wstrict-prototypes')
-
-        maxsize = sys.maxsize
+        maxint = sys.maxsize
         try:
             sys.maxsize = 2147483647
             self.assertEquals(get_platform(), 'macosx-10.3-i386')
             sys.maxsize = 9223372036854775807
             self.assertEquals(get_platform(), 'macosx-10.3-x86_64')
         finally:
-            sys.maxsize = maxsize
+            sys.maxsize = maxint
 
         # macbook with fat binaries (fat, universal or fat64)
         os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.4'