Merge pull request #13 from cclauss/patch-1

Travis CI: Add Python 3.8 to testing

Author: jerry-git

.travis.yml

@@ -1,16 +1,7 @@
-sudo: false
+os: linux
+dist: focal
 language: python
 
-install:
-- pip install jupyter
-- pip install tox
-- pip install nbval
-- pip install pytest
-
-
-stages:
-  - test
-
 jobs:
   include:
   - python: 3.5
@@ -19,8 +10,8 @@ jobs:
     env: TOXENV=py36
   - python: 3.7
     env: TOXENV=py37
-    dist: xenial
-    sudo: true
+  - python: 3.8
+    env: TOXENV=py38
 
-script:
-- tox
+install: pip install jupyter nbval pytest tox
+script: tox

tox.ini

@@ -2,7 +2,8 @@
 skipsdist = True
 envlist = py35,
           py36,
-          py37
+          py37,
+          py38
 skip_missing_interpreters = true
 
 [testenv]
@@ -11,4 +12,4 @@ deps =
     nbval
     jupyter
 commands =
-    pytest --nbval notebooks
+    pytest --nbval notebooks