Updated setup.cfg

setup.cfg

@@ -11,9 +11,8 @@ description-file = README.rst
 classifiers = Development Status :: 4 - Beta,
               Programming Language :: Python,
               Programming Language :: Python :: 2.7,
-              Programming Language :: Python :: 3,
-              Programming Language :: Python :: 3.3,
               Programming Language :: Python :: 3.4,
+              Programming Language :: Python :: 3.5,
               Environment :: Console,
               Intended Audience :: Education,
               Intended Audience :: Science/Research,