Merge pull request #4 from edx/cgoldberg/fix-setup

fixed up setup.py

setup.py

@@ -1,26 +1,18 @@
-import os
+#!/usr/bin/env python
 
 from setuptools import setup, find_packages
 
+from auth_backends._version import __version__
 
-exec(open('auth_backends/_version.py').read())
-
-
-def read(*paths):
-    """Build a file path from `paths` and return the contents."""
-    with open(os.path.join(*paths), 'r') as f:
-        return f.read()
 
+with open('README.rst') as a, open('HISTORY.rst') as b, open('AUTHORS') as c:
+    long_description = '{}\n\n{}\n\n{}'.format(a.read(), b.read(), c.read())
 
 setup(
     name='edx-auth-backends',
     version=__version__,
     description='Custom edX authentication backends and pipeline steps',
-    long_description=(
-        read('README.rst') + '\n\n' +
-        read('HISTORY.rst') + '\n\n' +
-        read('AUTHORS')
-    ),
+    long_description=long_description,
     classifiers=[
         'Development Status :: 4 - Beta',
         'License :: OSI Approved :: GNU Affero General Public License v3',