put lint into a single shell command

Author: grimley517

.github/workflows/lint_python.yml

@@ -8,15 +8,6 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install --upgrade pip
-      - run: pip install black codespell flake8 isort mypy pytest pyupgrade tox
-      - run: black --check .
-      - run: codespell --quiet-level=2  # --ignore-words-list="" --skip=""
-      - run: flake8 . --count --show-source --statistics
-      - run: isort --profile black .
-      - run: tox
-      - run: pip install -e .
-      - run: mypy --ignore-missing-imports . || true
-      - run: pytest .
-      - run: pytest --doctest-modules . || true
-      - run: shopt -s globstar && pyupgrade --py37-plus **/*.py
+      - shell: bash
+        name: Lint and test
+        run: ./lint.sh

lint.sh

@@ -0,0 +1,14 @@
+#! /bin/sh
+
+pip install --upgrade pip
+pip install black codespell flake8 isort mypy pytest pyupgrade tox
+black --check .
+codespell --quiet-level=2  # --ignore-words-list="" --skip=""
+flake8 . --count --show-source --statistics
+isort --profile black .
+tox
+pip install -e .
+mypy --ignore-missing-imports . || true
+pytest .
+pytest --doctest-modules . || true
+shopt -s globstar && pyupgrade --py37-plus **/*.py