trying python 3.09 for coverage

.github/workflows/tox-tests.yml

@@ -95,14 +95,14 @@ jobs:
  - name: Set up python for coverage test
  uses: actions/setup-python@v4
  with:
- python-version: 3.11
+ python-version: 3.9
  - name: Install base dependencies
  run: |
  python -m pip install --upgrade pip
  python -m pip install tox
  - name: Test with tox
  run: |
- tox -e py311-cov -- --remote-data
+ tox -e py309-cov -- --remote-data
  - name: Upload coverage to codecov
  uses: codecov/codecov-action@v1
  with:

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
- py{310,311,312}-test{,-alldeps}{,-cov}
+ py{309,310,311,312}-test{,-alldeps}{,-cov}
  build_docs
  linkcheck
  codestyle