Update travis python versions

SmileyChris · SmileyChris · commit 9ced6094a3b2 · 2021-03-30T09:35:30.000+13:00
diff --git a/.travis.yml b/.travis.yml
@@ -11,9 +11,9 @@ deploy:
 install: pip install -U tox-travis
 language: python
 python:
+- 3.9
 - 3.8
 - 3.7
 - 3.6
-- 3.5
 - 2.7
 script: tox
