Update .travis.yml

alexferl · web-flow · commit c6f63c7f7e40 · 2020-10-30T12:26:42.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ python:
   - "3.6"
   - "3.7"
   - "3.8"
+  - "3.9"
 env:
   - FLASK=1.1.2
   - FLASK=1.0.4
