ci: add python 3.8

escaped · escaped · commit 1514930da178 · 2019-11-26T18:31:02.000+01:00
diff --git a/tox.ini b/tox.ini
@@ -4,6 +4,7 @@ envlist =
     py35-{2.0,2.1,2.2}
     py36-{2.0,2.1,2.2}
     py37-{2.0,2.1,2.2}
+    py38-{2.0,2.1,2.2}
 
 [testenv]
 skip_install = True
