travis: Remove django 2.1 from test matrix, add dj22-grp and dj31

Author: fdintino

.travis.yml

@@ -5,11 +5,13 @@ matrix:
     - { python: 2.7, env: TOXENV=py27-dj111 }
     - { python: 2.7, env: TOXENV=py27-dj111-grp }
     - { python: 3.6, env: TOXENV=py36-dj111 }
-    - { python: 3.6, env: TOXENV=py36-dj21 }
-    - { python: 3.6, env: TOXENV=py36-dj21-grp }
     - { python: 3.6, dist: xenial, env: TOXENV=py36-dj22 }
+    - { python: 3.6, dist: xenial, env: TOXENV=py36-dj22-grp }
     - { python: 3.6, dist: xenial, env: TOXENV=py36-dj30 }
     - { python: 3.6, dist: xenial, env: TOXENV=py36-dj30-grp }
+    - { python: 3.6, dist: xenial, env: TOXENV=py36-dj31 }
+  allow_failures:
+    - env: TOXENV=py36-dj31
 
 cache:
   pip: true

CHANGELOG.rst

@@ -6,6 +6,8 @@ Changelog
 * Fixed: Resolved sporadic MediaOrderConflictWarning issues on Django 2.2
   Fixes `#141`_.
 * Fixed: Improved media dependency ordering of widgets and nested_admin.js
+* Fixed: Provisional support for Django 3.1 alpha
+* Dropped support for Django 2.1 (official EOL December 2019)
 
 .. _#141: https://github.com/theatlantic/django-nested-admin/issues/141
 

tox.ini

@@ -2,6 +2,7 @@
 envlist =
     py{27,36}-dj111{,-grp}
     py36-dj{22,30}{,-grp}
+    py36-dj31
 skipsdist=True
 
 [testenv]
@@ -18,7 +19,7 @@ passenv =
     AWS_SECRET_ACCESS_KEY
     DATABASE_URL
 deps =
-    selenium==3.141.0
+    selenium
     coverage
     django-selenosis
     dj-database-url
@@ -32,6 +33,7 @@ deps =
     dj21: Django>=2.1.0,<2.1.99
     dj22: Django>=2.2a1,<2.2.99
     dj30: Django>=3.0,<3.1
+    dj31: Django>=3.1a0,<3.2
     dj111-grp: django-grappelli==2.10.4
     dj22-grp: django-grappelli==2.13.4
     dj30-grp: django-grappelli==2.14.2