Add Only tag or users will complain.

jaraco · jaraco · commit 2bc49891396c · 2020-11-22T13:11:58.000-05:00
diff --git a/setup.cfg b/setup.cfg
@@ -12,6 +12,7 @@ classifiers =
     License :: OSI Approved :: Apache Software License
     Topic :: Software Development :: Libraries
     Programming Language :: Python :: 3
+    Programming Language :: Python :: 3 :: Only
 
 [options]
 python_requires = >=3.6
