Only allow installing this package for Python 2.7 and 3.4 (#784)

Author: dciborow

setup.py

@@ -67,5 +67,5 @@
                'checker typehints typehinting typechecking backport',
       package_dir={'': package_dir},
       py_modules=['typing'],
-      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <3.5',
       classifiers=classifiers)