Install importlib if we are on 2.6

Author: kevin1024

setup.py

@@ -1,4 +1,4 @@
-from distutils.core import setup
+from setuptools import setup
 from os.path import dirname, join
 
 try:
@@ -7,6 +7,14 @@
 except IOError:
     README = '<no description>'
 
+install_requires = ['oauthlib']
+
+try:
+    import importlib
+except ImportError:
+    install_requires.append('importlib')
+
+
 setup(
     name='django-oauth2-admin',
     version='0.1',
@@ -24,8 +32,6 @@
         'Programming Language :: Python',
     ],
     license='MIT',
-    install_requires=[
-        'oauthlib',
-    ],
+    install_requires=install_requires,
     packages=['oauthadmin'],
 )