Add changes from Mikhail Terekhov <terekhov@emc.com>.

Use Extension method from distutils.

Cleaned up mismatched indentation styles while I was at it.

src/interfaces/python/setup.py

@@ -19,6 +19,7 @@
 # on using distutils to install Python programs.
 
 from distutils.core import setup
+from distutils.extension import Extension
 import sys
 
 if sys.platform == "win32":
@@ -45,10 +46,10 @@ setup (name = "PyGreSQL",
 	py_modules = ['pg', 'pgdb'],
 	ext_modules = [ Extension(
 		name='_pg',
-        'sources': ['pgmodule.c'],
-        'include_dirs': include_dirs,
-        'library_dirs': library_dirs,
-        'libraries': optional_libs
+		sources = ['pgmodule.c'],
+		include_dirs = include_dirs,
+		library_dirs = library_dirs,
+		libraries = optional_libs
 	)]
 	data_files = data_files
 )