minor tweaks to documentation on migrating from run_cmd to run_shell_cmd #315

	---
	name: flake8 Lint
	on: [push, pull_request] # yamllint disable-line rule:truthy
	permissions:
	contents: read # to fetch code (actions/checkout)
	jobs:
	flake8-lint:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v3

	- name: set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: flake8 Lint
	uses: py-actions/flake8@v2

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