Drop support for python 3.6, django <3.2, official support for django 4.1 and python 3.10

Author: agateblue

.github/workflows/tests.yml

@@ -14,10 +14,10 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.6'
           - '3.7'
           - '3.8'
           - '3.9'
+          - '3.10'
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:

runtests.py

@@ -5,11 +5,9 @@
 
 [tox]
 envlist =
-    {py36,py37,py38,py39}-django-22
-    {py36,py37,py38,py39}-django-30
-    {py36,py37,py38,py39}-django-31
-    ; {py36,py37,py38,py39}-django-32
-    ; {py36,py37,py38,py39}-django-master
+    {py37,py38,py39,py310}-django-32
+    {py38,py39,py310}-django-41
+    ; {py37,py38,py39,py310}-django-master
 
 
 [testenv]
@@ -18,17 +16,15 @@ setenv =
     PYTHONPATH = {toxinidir}
 commands = pytest --cov=dynamic_preferences {posargs}
 deps =
-    django-{22,30,31,master}: djangorestframework>=3.12,<3.13
-    django-22: Django>=2.2,<2.3
-    django-30: Django>=3.0,<3.1
-    django-31: Django>=3.1,<3.2
+    django-{32,41,master}: djangorestframework>=3.13,<4
     django-32: Django>=3.2,<3.3
+    django-41: Django>=4.1,<4.2
     django-master: https://github.com/django/django/archive/master.tar.gz
     -r{toxinidir}/requirements-test.txt
 
 
 basepython =
+    py310: python3.10
     py39: python3.9
     py38: python3.8
     py37: python3.7
-    py36: python3.6