Dropped support for Django 3.1

Author: hramezani

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.7', '3.8', '3.9', '3.10']
-        django-version: ['2.2', '3.1', '3.2', '4.0', 'main']
+        django-version: ['2.2', '3.2', '4.0', 'main']
 
         exclude:
           - python-version: '3.7'

CHANGES.rst

@@ -29,6 +29,7 @@ Full list of changes:
 - Added support for Django 4.0 (gh-898)
 - Dropped support for Python 3.6, which reached end-of-life on 2021-12-23 (gh-946).
 - Fix bug with ``history.diff_against`` with non-editable fields (gh-923)
+- Dropped support for Django 3.1 (gh-952)
 
 3.0.0 (2021-04-16)
 ------------------

README.rst

@@ -42,7 +42,6 @@ This app supports the following combinations of Django and Python:
   Django      Python
 ==========  ========================
 2.2         3.7, 3.8, 3.9
-3.1         3.7, 3.8, 3.9
 3.2         3.7, 3.8, 3.9, 3.10
 4.0         3.8, 3.9, 3.10
 ==========  ========================

docs/index.rst

@@ -42,7 +42,6 @@ This app supports the following combinations of Django and Python:
   Django      Python
 ==========  =======================
 2.2         3.7, 3.8, 3.9
-3.1         3.7, 3.8, 3.9
 3.2         3.7, 3.8, 3.9
 ==========  =======================
 

setup.py

@@ -24,7 +24,6 @@
             "Intended Audience :: Developers",
             "Framework :: Django",
             "Framework :: Django :: 2.2",
-            "Framework :: Django :: 3.1",
             "Framework :: Django :: 3.2",
             "Framework :: Django :: 4.0",
             "Programming Language :: Python",

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{37,38,39}-dj{22,31}-{sqlite3,postgres,mysql,mariadb},
+    py{37,38,39}-dj22-{sqlite3,postgres,mysql,mariadb},
     py{37,38,39,310}-dj32-{sqlite3,postgres,mysql,mariadb},
     py{38,39,310}-dj{40,main}-{sqlite3,postgres,mysql,mariadb},
     docs,
@@ -16,7 +16,6 @@ python =
 [gh-actions:env]
 DJANGO =
     2.2: dj22
-    3.1: dj31
     3.2: dj32
     4.0: dj40
     main: djmain
@@ -31,7 +30,6 @@ exclude = __init__.py,simple_history/registry_tests/migration_test_app/migration
 deps =
     -rrequirements/test.txt
     dj22: Django>=2.2,<2.3
-    dj31: Django>=3.1,<3.2
     dj32: Django>=3.2,<3.3
     dj40: Django>=4.0,<4.1
     djmain: https://github.com/django/django/tarball/main