Replace deprecated methods (package ruamel) in the yaml_parser.py #78

	name: python package CI

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.6, 3.7, 3.8, 3.9]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install poetry
	poetry install -E toml -E yaml

	- name: Run tests
	run: poetry run task test_ci

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: ./coverage.xml
	flags: unittests
	name: codecov-umbrella
	fail_ci_if_error: true

	- name: Build Package
	run: poetry build

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