added a test for finalize_options
diff --git a/Lib/distutils/command/config.py b/Lib/distutils/command/config.py
index 43a8dc8..f2ebe37 100644
--- a/Lib/distutils/command/config.py
+++ b/Lib/distutils/command/config.py
@@ -12,7 +12,7 @@
 __revision__ = "$Id$"
 
 import sys, os, string, re
-from types import *
+
 from distutils.core import Command
 from distutils.errors import DistutilsExecError
 from distutils.sysconfig import customize_compiler
@@ -68,19 +68,18 @@
     def finalize_options(self):
         if self.include_dirs is None:
             self.include_dirs = self.distribution.include_dirs or []
-        elif type(self.include_dirs) is StringType:
-            self.include_dirs = string.split(self.include_dirs, os.pathsep)
+        elif isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
 
         if self.libraries is None:
             self.libraries = []
-        elif type(self.libraries) is StringType:
+        elif isinstance(self.libraries, str):
             self.libraries = [self.libraries]
 
         if self.library_dirs is None:
             self.library_dirs = []
-        elif type(self.library_dirs) is StringType:
-            self.library_dirs = string.split(self.library_dirs, os.pathsep)
-
+        elif isinstance(self.library_dirs, str):
+            self.library_dirs = self.library_dirs.split(os.pathsep)
 
     def run (self):
         pass