Update setup.py

Author: jimmyahalpara

setup.py

@@ -10,7 +10,7 @@
     'Development Status :: 4 - Beta',
     'Intended Audience :: Developers',
     'Topic :: Internet',
-    'License :: MIT License',
+    'License :: OSI Approved :: MIT License',
     'Programming Language :: Python',
     'Programming Language :: Python :: 2',
     'Programming Language :: Python :: 2.6',