Update supported python versions #27

	name: Python source code assessment 🐍
	on: [push]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version:
	- 3.7
	- 3.8
	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Static code analysis
	run: \|
	pip install pip==20.2.0
	pip install -r requirements.txt
	pip install -r requirements-dev.txt
	./analyse-source-code.sh

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