State that Python 3.7 or newer is required in README.rst (#946) #918

	name: lint
	on: [push, pull_request]
	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: set up python
	uses: actions/setup-python@v5
	with:
	cache: 'pip'

	- name: install dependencies
	run: \|
	pip install ".[lint]"

	- name: lint the source code
	run: make flake8

	- name: check source code formatting
	run: make black

	- name: type check the source code
	run: make type-check

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