chore: add new env var. #44

	name: CI

	on: [pull_request]

	jobs:
	setup:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: '0'
	- uses: actions/setup-python@v2
	- uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	- uses: syphar/restore-virtualenv@v1
	id: cache-virtualenv
	- run: poetry install

	tests:
	needs: setup
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: '0'
	- uses: actions/setup-python@v2
	- uses: snok/install-poetry@v1
	- uses: syphar/restore-virtualenv@v1
	id: cache-virtualenv
	- run: poetry run pytest --cov=fcmeans

	linter:
	needs: setup
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: '0'
	- uses: actions/setup-python@v2
	- uses: snok/install-poetry@v1
	- uses: syphar/restore-virtualenv@v1
	id: cache-virtualenv
	- run: \|
	poetry run black . --line-length=79
	poetry run isort */.py -c
	poetry run flake8 --exclude ".*"

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