Try out Python 3.9

In ZTK tests it breaks.
zopefoundation · Jun 29, 2020 · a8d1c93 · a8d1c93
1 parent b4550fc
commit a8d1c93
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ python:
   - 3.6
   - 3.7
   - 3.8
+  - 3.9-dev
   - pypy
   - pypy3
 env: