setup: add 3.7 tag

mmlb · mmlb · commit 8286103e9dfa · 2018-09-04T11:38:42.000-04:00
diff --git a/setup.py b/setup.py
@@ -67,4 +67,5 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ])
