Use Python 3.8 for linters etc.

.github/workflows/flake8.yml

@@ -35,7 +35,7 @@ jobs:
         if: steps.changes.outputs.code == 'true'
         uses: "actions/setup-python@v4"
         with:
-          python-version: "3.6"
+          python-version: "3.8"
 
       - 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@v4"
         with:
-          python-version: "3.6"
+          python-version: "3.8"
 
       - name: Install dependencies 🔧
         run: |

pyproject.toml

@@ -171,7 +171,7 @@ license-key = "MIT"
 package = "pyproject_parser"
 
 [tool.mypy]
-python_version = "3.6"
+python_version = "3.8"
 namespace_packages = true
 check_untyped_defs = true
 warn_unused_ignores = true

repo_helper.yml

@@ -11,7 +11,7 @@ version: '0.9.1'
 license: 'MIT'
 short_desc: "Parser for 'pyproject.toml'"
 
-python_deploy_version: 3.6
+python_deploy_version: 3.8
 sphinx_html_theme: furo
 preserve_custom_theme: true
 tox_testenv_extras: readme,cli

tox.ini

@@ -58,7 +58,7 @@ test =
     pypy38
     pypy39
 qa = mypy, lint
-cov = py36, coverage
+cov = py38, coverage
 
 [testenv]
 setenv =
@@ -114,7 +114,7 @@ commands =
     check-wheel-contents dist/
 
 [testenv:lint]
-basepython = python3.6
+basepython = python3.8
 changedir = {toxinidir}
 ignore_errors = True
 skip_install = True
@@ -144,15 +144,15 @@ deps =
 commands = python3 -m flake8_rst_docstrings_sphinx pyproject_parser tests --allow-toolbox {posargs}
 
 [testenv:perflint]
-basepython = python3.6
+basepython = python3.8
 changedir = {toxinidir}
 ignore_errors = True
 skip_install = True
 deps = perflint
 commands = python3 -m perflint pyproject_parser {posargs}
 
 [testenv:mypy]
-basepython = python3.6
+basepython = python3.8
 ignore_errors = True
 changedir = {toxinidir}
 extras = readme,cli
@@ -163,7 +163,7 @@ deps =
 commands = mypy pyproject_parser tests {posargs}
 
 [testenv:pyup]
-basepython = python3.6
+basepython = python3.8
 skip_install = True
 ignore_errors = True
 changedir = {toxinidir}
@@ -172,7 +172,7 @@ extras = readme,cli
 commands = pyup_dirs pyproject_parser tests --py36-plus --recursive
 
 [testenv:coverage]
-basepython = python3.6
+basepython = python3.8
 skip_install = True
 ignore_errors = True
 whitelist_externals = /bin/bash