Fix for travis.

Author: pricco

.travis.yml

@@ -1,49 +1,25 @@
 sudo: false
-dist: bionic
-
 language: python
+
 python:
-  - '3.5'
+  - "3.5"
+  - "3.6"
+  - "3.7"
+  - "3.8"
 
 env:
-  - TOXENV=flake8
-  - TOXENV=py35-django20
-  - TOXENV=py37-django20
-  - TOXENV=py35-django21
-  - TOXENV=py37-django21
-  - TOXENV=py35-django22
-  - TOXENV=py38-django22
-  - TOXENV=py36-django30
-  - TOXENV=py38-django30
-
-matrix:
-  fast_finish: true
-  include:
-    - python: '3.5'
-      env: TOX_ENV=flake8
-    - python: '3.5'
-      env: TOXENV=py35-django20
-    - python: '3.7'
-      env: TOXENV=py37-django20
-    - python: '3.5'
-      env: TOXENV=py35-django21
-    - python: '3.7'
-      env: TOXENV=py37-django21
-    - python: '3.5'
-      env: TOXENV=py35-django22
-    - python: '3.8'
-      env: TOXENV=py38-django22
-    - python: '3.6'
-      env: TOXENV=py36-django30
-    - python: '3.8'
-      env: TOXENV=py38-django30
+  - DJANGO="2.0"
+  - DJANGO="2.1"
+  - DJANGO="2.2"
+  - DJANGO="3.0"
 
 before_install:
   - pip install codecov
 
-install: pip install -U tox
+install:
+  - pip install -U tox-travis
 
-script: tox -e ${TOXENV}
+script: tox
 
 after_success:
   - codecov

tox.ini

@@ -19,13 +19,21 @@ deps =
     django22: Django>=2.2,<3.0
     django30: Django>=3.0
     -r{toxinidir}/requirements/test.pip
-basepython =
-    py38: python3.8
-    py37: python3.7
-    py36: python3.6
-    py35: python3.5
 
 [testenv:flake8]
-basepython=python3.5
 deps=flake8
 commands=flake8 qurl_templatetag tests
+
+[travis]
+python =
+  3.5: py35, flake8
+  3.6: py36
+  3.7: py37
+  3.8: py38
+
+[travis:env]
+DJANGO =
+  2.0: django20
+  2.1: django21
+  2.2: django22
+  3.0: django30