Bump Python version for linters etc.

Author: domdfcoding

.github/workflows/flake8.yml

@@ -35,7 +35,7 @@ jobs:
         if: steps.changes.outputs.code == 'true'
         uses: "actions/setup-python@v5"
         with:
-          python-version: "3.8"
+          python-version: "3.9"
 
       - name: Install dependencies 🔧
         if: steps.changes.outputs.code == 'true'

.github/workflows/mypy.yml

@@ -40,7 +40,7 @@ jobs:
         if: steps.changes.outputs.code == 'true'
         uses: "actions/setup-python@v5"
         with:
-          python-version: "3.8"
+          python-version: "3.9"
 
       - name: Install dependencies 🔧
         run: |

pyproject.toml

@@ -35,7 +35,7 @@ platforms = [ "Windows", "macOS", "Linux",]
 license-key = "PSFLicense"
 
 [tool.mypy]
-python_version = "3.8"
+python_version = "3.9"
 namespace_packages = true
 check_untyped_defs = true
 warn_unused_ignores = true

tox.ini

@@ -32,7 +32,7 @@ requires =
 [envlists]
 test = py37, py38, py39, py310, py311, py312, py313
 qa = mypy, lint
-cov = py38, coverage
+cov = py39, coverage
 
 [testenv]
 setenv =
@@ -81,15 +81,15 @@ commands =
     check-wheel-contents dist/
 
 [testenv:perflint]
-basepython = python3.8
+basepython = python3.9
 changedir = {toxinidir}
 ignore_errors = True
 skip_install = True
 deps = perflint
 commands = python3 -m perflint pprint36 {posargs}
 
 [testenv:mypy]
-basepython = python3.8
+basepython = python3.9
 ignore_errors = True
 changedir = {toxinidir}
 deps =
@@ -98,15 +98,15 @@ deps =
 commands = mypy pprint36 tests {posargs}
 
 [testenv:pyup]
-basepython = python3.8
+basepython = python3.9
 skip_install = True
 ignore_errors = True
 changedir = {toxinidir}
 deps = pyupgrade-directories
 commands = pyup_dirs pprint36 tests --py36-plus --recursive
 
 [testenv:coverage]
-basepython = python3.8
+basepython = python3.9
 skip_install = True
 ignore_errors = True
 whitelist_externals = /bin/bash
@@ -175,7 +175,7 @@ plugins = coverage_pyver_pragma
 omit = pprint36/_pprint.py
 
 [testenv:lint]
-basepython = python3.8
+basepython = python3.9
 changedir = {toxinidir}
 ignore_errors = True
 skip_install = True