Sync active Python/Django versions

- Python: add 3.9, 3.10, remove 3.6
- Django: add 4.0, remove 3.0, 3.1
- fixes to PyPI classifiers

Author: amureki

.github/workflows/ci.yml

@@ -48,13 +48,14 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - 3.6
-          - 3.7
-          - 3.8
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
         django-version:
           - 2.2.*
-          - 3.0.*
-          - 3.1.*
+          - 3.2.*
+          - 4.0.*
     steps:
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2

joeflow/__init__.py

@@ -1,2 +1,5 @@
 """The lean workflow automation framework for machines with heart."""
-default_app_config = "joeflow.apps.JoeflowConfig"
+import django
+
+if django.VERSION < (3, 2):
+    default_app_config = "joeflow.apps.JoeflowConfig"

setup.cfg

@@ -1,7 +1,7 @@
 [metadata]
 name = joeflow
-author = Johannes Hoppe
-author_email = [email protected]
+author = Johannes Maron
+author_email = [email protected]
 description = The lean workflow automation framework for machines with heart
 long_description = file: README.rst
 license = BSD
@@ -10,18 +10,19 @@ url = https://github.com/codingjoe/joeflow
 # Find more classifiers here:
 # https://pypi.org/pypi?%3Aaction=list_classifiers
 classifier =
-    Development Status :: 4 - Beta
+    Development Status :: 5 - Production/Stable
     Framework :: Django
     Framework :: Django :: 2.2
-    Framework :: Django :: 3.0
-    Framework :: Django :: 3.1
+    Framework :: Django :: 3.2
+    Framework :: Django :: 4.0
     Environment :: Web Environment
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3 :: Only
     Topic :: Home Automation
     Topic :: Internet
@@ -83,7 +84,7 @@ test = pytest
 source-dir = docs
 build-dir = docs/_build
 project = joeflow
-copyright = 2018, Johannes Hoppe
+copyright = 2018, Johannes Maron
 
 [tool:pytest]
 addopts =