ci: test py38-dev (#9)

Author: blueyed

.travis.yml

@@ -17,6 +17,8 @@ jobs:
       env: TOXENV=py36-coverage
     - python: '3.7'
       env: TOXENV=py37-coverage
+    - python: '3.8-dev'
+      env: TOXENV=py38-coverage
     - python: 'pypy2.7-6.0'
       env: TOXENV=pypy-coverage
     - python: 'pypy3.5-6.0'

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{27,34,35,36,37,py,py3}, flake8
+envlist = py{27,34,35,36,37,38,py,py3}, flake8
 
 [testenv]
 deps =