Add 3.9 metadata

oschwald · oschwald · commit a4880e81f11a · 2021-06-14T08:35:50.000-07:00
diff --git a/setup.py b/setup.py
@@ -39,6 +39,7 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python",
         "Topic :: Internet :: Proxy Servers",
         "Topic :: Internet",
