<NME> .travis.yml
<BEF> # Config file for automatic testing at travis-ci.org
dist: xenial
language: python
cache: pip
sudo: false

python:
  - "3.6"
  - "3.7"
  - "3.4"
  - "2.7"
env:
  - DJANGO_VERSION=2.1
  - DJANGO_VERSION=2.0
  - DJANGO_VERSION=1.11
before_install:
  - pip install -q django==$DJANGO_VERSION
  - tox
matrix:
  exclude:
    - python: "3.4"
      env: DJANGO_VERSION=2.1
    - python: "2.7"
      env: DJANGO_VERSION=2.1
    - python: "2.7"
      env: DJANGO_VERSION=2.0

<MSG> bump version number

<DFF> @@ -10,8 +10,7 @@ python:
   - "3.4"
   - "2.7"
 env:
-  - DJANGO_VERSION=2.1
-  - DJANGO_VERSION=2.0
+  - DJANGO_VERSION=2.2
   - DJANGO_VERSION=1.11
 before_install:
   - pip install -q django==$DJANGO_VERSION
@@ -22,8 +21,6 @@ script:
 matrix:
   exclude:
     - python: "3.4"
-      env: DJANGO_VERSION=2.1
+      env: DJANGO_VERSION=2.2
     - python: "2.7"
-      env: DJANGO_VERSION=2.1
-    - python: "2.7"
-      env: DJANGO_VERSION=2.0
+      env: DJANGO_VERSION=2.2

bump version number