bump pyyaml to a supported version #90

	name: Python package

	on:
	push:
	branches: [ ]
	pull_request: {}

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pipenv
	pipenv sync --dev
	- name: Test
	run: \|
	pipenv run invoke test

	dist:
	needs: [build]
	if: startsWith(github.ref, 'refs/heads/master')
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pipenv
	pipenv sync --dev
	- name: Prepare distribution
	run: \|
	pipenv run invoke dist
	- name: Publish (test PyPi)
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.test_pypi_apikey }}
	run: \|
	pip install twine
	python -m twine upload --repository-url https://test.pypi.org/legacy/ dist/*
	- name: Install (test PyPi)
	run: \|
	pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple dockerized
	dockerized version
	- name: Publish (PyPi)
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.pypi_apikey }}
	run: \|
	pip install twine
	python -m twine upload dist/*
	- name: Install (PyPi)
	run: \|
	pip install dockerized
	dockerized version

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