Remove support for Python 3.7. #769

	name: Python
	on: [push]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.8, 3.9, "3.10"]

	steps:
	- uses: actions/[email protected]
	with:
	fetch-depth: 1

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/[email protected]
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	uses: abatilo/[email protected]
	with:
	poetry-version: 1.1.15

	- name: Set Poetry config
	run: \|
	poetry config virtualenvs.in-project false
	poetry config virtualenvs.path ~/.virtualenvs${{ matrix.python-version }}

	- name: Install dependencies
	run: poetry install

	- name: black check
	run: poetry run black . --check --extend-exclude migrations

	- name: isort check
	run: poetry run isort --settings pyproject.toml --check .

	- name: Run all tests
	run: poetry run nox

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