Fixed supported python versions

Author: Fatal1ty

setup.py

@@ -14,9 +14,10 @@
         "Operating System :: MacOS :: MacOS X",
         "Operating System :: POSIX",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Development Status :: 5 - Production/Stable",
     ],
     license="Apache License, Version 2.0",