Also cover Django 3.1 with test suite

.travis.yml

@@ -10,6 +10,7 @@ python:
 env:
 - DJANGO=2.2
 - DJANGO=3.0
+- DJANGO=3.1
 
 install:
 - pip install tox-travis
@@ -27,6 +28,7 @@ jobs:
  exclude:
  # Python/Django combinations that aren't officially supported
  - { python: 3.5, env: DJANGO=3.0 }
+ - { python: 3.5, env: DJANGO=3.1 }
  include:
  - { stage: lint, python: 3.7, env: TOXENV=flake8 }
  - { stage: lint, python: 3.7, env: TOXENV=bandit }

README.rst

@@ -25,7 +25,7 @@ Version Support
 ---------------
 
 *behave-django* is `tested against`_ the officially supported combinations of
-Python and Django (Django 2.2, 3.0 on Python 3.5, 3.6, 3.7, 3.8).
+Python and Django (Django 2.2, 3.0, 3.1 on Python 3.5, 3.6, 3.7, 3.8).
 
 The version of `behave`_ is not tied to our integration (read: "independent").
 We test against the latest release on PyPI, and run a sample against Behave's

setup.py

@@ -40,6 +40,7 @@ def read_file(filename):
  'Framework :: Django',
  'Framework :: Django :: 2.2',
  'Framework :: Django :: 3.0',
+ 'Framework :: Django :: 3.1',
  'Intended Audience :: Developers',
  'License :: OSI Approved :: MIT License',
  'Operating System :: OS Independent',

tox.ini

@@ -7,6 +7,7 @@ envlist =
  # Python/Django combinations that are officially supported
  py{35,36,37,38}-django22
  py{36,37,38}-django30
+ py{36,37,38}-django31
  behave-latest
  bandit
  readme
@@ -19,6 +20,7 @@ deps =
  pytest
  django22: Django>=2.2,<3.0
  django30: Django>=3.0,<3.1
+ django31: Django>=3.1,<3.2
  latest: Django
  latest: git+https://github.com/behave/behave.git#egg=behave
 commands =
@@ -33,12 +35,11 @@ commands = bandit -r --ini tox.ini
 
 [testenv:clean]
 description = Remove Python bytecode and other debris
+deps = pyclean
 commands =
+ pyclean -v {toxinidir}
  rm -rf .tox/ behave_django.egg-info/ build/ dist/ docs/_build/
- find {toxinidir} -type f -name '*.pyc' -delete
- find {toxinidir} -type d -name '__pycache__' -delete
 whitelist_externals =
- find
  rm
 
 [testenv:docs]
@@ -64,6 +65,7 @@ commands =
 DJANGO =
  2.2: django22
  3.0: django30
+ 3.1: django31
 
 [bandit]
 exclude = .git,.idea,.tox,build,dist,docs,tests