Drop Python 3.6 which reached EOL December 2021

.github/workflows/ci-build.yml

@@ -28,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.7', '3.8', '3.9']
 
     name: Build with Python ${{ matrix.python-version }}
     steps:
@@ -52,10 +52,10 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Set up Python 3.6
+      - name: Set up Python 3.8
         uses: actions/setup-python@v2
         with:
-          python-version: 3.6
+          python-version: 3.8
       - name: Install dependencies
         run: python -m pip install tox
       - name: Lint with tox

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 4.0.0 (unreleased)
 
-- Drop support for Python 2.7 and 3.5
+- Drop support for Python 2.7, 3.5 and 3.6
 - Drop support for Django 1.11, 2.0, 2.1, 3.0
 - Fix index creation detection when table is being created in the transaction (issue #178)
 

setup.py

@@ -56,7 +56,6 @@ setup(
         "Framework :: Django :: 3.2",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",

tox.ini

@@ -1,13 +1,12 @@
 [tox]
 envlist =
-    py{36,37,38,39}-django22
-    py{36,37,38,39}-django{31,32}
+    py{37,38,39}-django22
+    py{37,38,39}-django{31,32}
     lint
     coverage
 
 [gh-actions]
 python =
-    3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39