update versions

.travis.yml

@@ -8,18 +8,15 @@ python:
 
 env:
   matrix:
-    - DJANGO=2.0
-    - DJANGO=2.1
     - DJANGO=2.2
+    - DJANGO=3.0
+    - DJANGO=3.1
     - DJANGO=master
 
 addons:
   postgresql: '9.6'
 
 matrix:
-  exclude:
-    - { python: "3.7", env: DJANGO=2.0 }
-
   include:
     - { python: "3.6", env: TOXENV=flake8 }
 

db_mutex/version.py

@@ -1 +1 @@
-__version__ = '1.2.0'
+__version__ = '2.0.0'

docs/release_notes.rst

@@ -1,6 +1,11 @@
 Release Notes
 =============
 
+v2.0.0
+------
+* Django 3.0, 3.1
+* Drop Django 2.0, 2.1
+
 v1.2.0
 ------
 * Python 3.7

setup.py

@@ -36,13 +36,13 @@ def get_version():
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
         'Framework :: Django',
-        'Framework :: Django :: 2.0',
-        'Framework :: Django :: 2.1',
         'Framework :: Django :: 2.2',
+        'Framework :: Django :: 3.0',
+        'Framework :: Django :: 3.1',
     ],
     license='MIT',
     install_requires=[
-        'Django>=2.0',
+        'Django>=2.2',
     ],
     tests_require=[
         'psycopg2',

tox.ini

@@ -1,18 +1,18 @@
 [tox]
 envlist =
     flake8
-    py{36}-django20
-    py{36,37}-django21
     py{36,37}-django22
+    py{36,37}-django30
+    py{36,37}-django31
     py{36,37}-djangomaster
 
 [testenv]
 setenv =
     DB = postgres
 deps =
-    django20: Django>=2.0,<2.1
-    django21: Django>=2.1,<2.2
-    django22: Django>=2.2,<2.3
+    django22: Django>=2.2,<3.0
+    django30: Django>=3.0,<3.1
+    django31: Django>=3.1,<3.2
     djangomaster: https://github.com/django/django/archive/master.tar.gz
     -rrequirements/requirements-testing.txt
 commands =
@@ -25,7 +25,7 @@ commands = flake8 db_mutex
 
 [travis:env]
 DJANGO =
-    2.0: django20
-    2.1: django21
     2.2: django22
+    3.0: django30
+    3.1: django31
     master: djangomaster