Bump min python to 3.9

.github/workflows/ci.yml

@@ -15,9 +15,6 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
-      - uses: actions/setup-python@v3
-        with:
-          python-version: 3.8
       - run: python -m pip install --upgrade pip
       - run: python -m pip install -r requirements/ci.txt
       - run: tox -e static
@@ -37,9 +34,8 @@ jobs:
           - {python: '3.11', os: ubuntu-22.04, tox: py311-full}
           - {python: '3.10', os: ubuntu-22.04, tox: py310-full}
           - {python: '3.9', os: ubuntu-22.04, tox: py39-full}
-          - {python: '3.8', os: ubuntu-22.04, tox: py38-full}
-          - {python: '3.8', os: macos-12, tox: py38}
-          - {python: '3.8', os: windows-2022, tox: py38}
+          - {python: '3.9', os: macos-12, tox: py39}
+          - {python: '3.9', os: windows-2022, tox: py39}
     steps:
       - run: sudo apt install --yes docker-compose
         if: ${{ contains(matrix.variant.os, 'ubuntu') }}

.github/workflows/release.yml

@@ -16,8 +16,6 @@ jobs:
           fetch-depth: 0  # history required so setuptools_scm can determine version
 
       - uses: actions/setup-python@v3
-        with:
-          python-version: 3.8
       - run: python -m pip install --upgrade pip
       - run: python -m pip install -r requirements/wheels.txt
 

pyproject.toml

@@ -19,15 +19,14 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Typing :: Typed",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "email-validator",
     "pydantic >= 1.9",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310,311,312}-full
+envlist = py{39,310,311,312}-full
 isolated_build = true
 
 [testenv]