fixed typo in README.md #339

	name: ci
	on: [push]
	jobs:
	ci:
	runs-on: ubuntu-latest
	if: github.ref == 'refs/heads/main'
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	- name: Load cached virtual environment
	id: cached-venv
	uses: actions/cache@v2
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
	- name: Install dependencies
	if: steps.cached-venv.output.cache-hit != 'true'
	run: poetry install --no-interaction --no-root
	- name: Run tests
	run: \|
	source .venv/bin/activate
	python3 -m pytest tests
	- name: Build documentation
	run: \|
	source .venv/bin/activate
	cd docs
	make html
	touch _build/html/.nojekyll
	- name: Deploy documentation
	uses: JamesIves/[email protected]
	with:
	branch: gh-pages
	folder: "docs/_build/html"

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