Travis CI: Start testing on Python 3.9 beta 5

cclauss · cclauss · commit 35ced6727211 · 2020-08-04T17:14:25.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 os: linux
 dist: focal
 language: python
-python: 3.8
+python: "3.9-dev"
 cache: pip
 before_install: pip install --upgrade pip setuptools six
 install: pip install black flake8
