test against Django 2.2

.travis.yml

@@ -11,6 +11,8 @@ matrix:
     env: TOX_ENV=py36-django20
   - python: "3.6"
     env: TOX_ENV=py36-django21
+  - python: "3.6"
+    env: TOX_ENV=py36-django22
 
 install:
   - pip install tox

CHANGES

@@ -5,6 +5,7 @@ Version 0.9.1 (unreleased)
 --------------------------
 *  Removed old compatibility code for Django < 1.11 (#205, thanks @claudep)
 *  Allow overriding rosetta login url (#210, thanks @izimobil)
+*  Test against Django 2.2
 
 
 Version 0.9.0

testproject/settings.py

@@ -44,6 +44,7 @@ INSTALLED_APPS = [
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.sites',
+    'django.contrib.messages',
     'rosetta',
 ]
 

tox.ini

@@ -2,8 +2,8 @@
 envlist =
         flake8,
         {py27,py36}-django111,
-        py36-django{20,21},
-        py37-django{20,21},
+        py36-django{20,21,22},
+        py37-django{20,21,22},
         gettext,docs
 
 skipsdist = True
@@ -21,10 +21,11 @@ deps =
         django111: Django==1.11.*
         django20: Django==2.0.*
         django21: Django>=2.1a1,<=2.1.99
+        django22: Django>=2.2a1,<=2.2.99
 
         py27-django{17,18,19,110,111}: python-memcached
-        py36-django{17,18,19,110,111,20,21}: python3-memcached
-        py37-django{20,21}: python3-memcached
+        py36-django{17,18,19,110,111,20,21,22}: python3-memcached
+        py37-django{20,21,22}: python3-memcached
         # py27-django18: pudb
         requests
         polib>=1.1.0