re-add Python 3.6 to the test matrix for the patch release before dro…

…pping support.

.github/workflows/tox.yml

@@ -15,11 +15,11 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.6", "3.8", "3.9", "3.10", "3.11"]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: "Set up Python ${{ matrix.python-version }} on ${{matrix.os}}"
+      - name: "Set up Python ${{ matrix.python-version }}"
         uses: actions/setup-python@v4
         with:
           python-version: "${{ matrix.python-version }}"

CHANGELOG.rst

@@ -9,6 +9,10 @@ Changed
 
 * Update deprecated `collections` imports to `collections.abc` to be forward-compatible with Python3.10
   Contributed by @AndroxxTraxxon
+* Migrate from `nosetest` to `pytest` for Python test runner.
+  Contributed by @AndroxxTraxxon
+* Add Python versions 3.9, 3.10, and 3.11 to the test matrix
+  Contributed by @AndroxxTraxxon
 * Update networkx >=2.6 for Python 3.8 to fix insecure deserialization #255 (improvement)
   Contributed by @Stealthii
 * Update jsonschema requirements to allow 3.2 (improvement)

requirements-ci.txt

@@ -1,3 +1,4 @@
 # Different versions of tox are required by python version
 tox-gh-actions
-tox==4.11.3
+tox==3.28.0 ; python_version == "3.6"
+tox==4.11.3; python_version >= "3.8"

tox.ini

@@ -1,10 +1,11 @@
 [tox]
-envlist = py38,py39,py310,py311,pep8,docs
+envlist = py36,py38,py39,py310,py311,pep8,docs
 minversion = 1.6
 skipsdist = True
 
 [gh-actions]
 python =
+    3.6: py36
     3.8: py38,pep8,docs
     3.9: py39
     3.10: py310