Update supported versions

.travis.yml

@@ -2,25 +2,24 @@ language: python
 sudo: false
 python:
   - 2.7
-  - 3.4
   - 3.5
   - 3.6
+  - 3.7
+  - 3.8
 env:
   - DJANGO=1.11
-  - DJANGO=2.0
-  - DJANGO=2.1
+  - DJANGO=2.2
+  - DJANGO=3.0
   - DJANGO=master
 matrix:
   exclude:
-    - { python: 2.7, env: DJANGO=2.0 }
-    - { python: 2.7, env: DJANGO=2.1 }
+    - { python: 2.7, env: DJANGO=2.2 }
+    - { python: 2.7, env: DJANGO=3.0 }
     - { python: 2.7, env: DJANGO=master }
+    - { python: 3.5, env: DJANGO=3.0 }
+    - { python: 3.5, env: DJANGO=master }
   include:
-    - { python: 3.6, env: TOXENV=flake }
-    - { python: 3.7, dist: xenial, sudo: required, env: DJANGO=1.11 }
-    - { python: 3.7, dist: xenial, sudo: required, env: DJANGO=2.0 }
-    - { python: 3.7, dist: xenial, sudo: required, env: DJANGO=2.1 }
-    - { python: 3.7, dist: xenial, sudo: required, env: DJANGO=master }
+    - { python: 3.8, env: TOXENV=flake }
 
 install:
   - pip install tox-travis coveralls

tox.ini

@@ -1,22 +1,22 @@
 [tox]
 skip_missing_interpreters = True
 envlist =
-    py{27,34,35,36}-dj{111}
-    py{34,35,36,37}-{dj20}
-    py{35,36,37}-{dj21,djmaster}
+    py{27,35,36,37}-dj{111}
+    py{35,36,37,38}-{dj22}
+    py{36,37,38}-{dj30,djmaster}
     flake
 
 [testenv]
 basepython =
     py27: python2.7
-    py34: python3.4
     py35: python3.5
     py36: python3.6
     py37: python3.7
+    py38: python3.8
 deps =
     dj111: Django>=1.11,<2.0
-    dj20: Django>=2.0,<2.1
-    dj21: Django>=2.1,<2.2
+    dj22: Django>=2.2,<2.3
+    dj30: Django>=3.0,<3.1
     djmaster: https://github.com/django/django/archive/master.tar.gz
     coverage
     -r requirements.txt