Adding missing environment file. #69

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
	name: Running tests

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:
	jobs:
	lint_flake8:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Lint with flake8
	run: \|
	pip install flake8
	flake8 . --count --show-source --statistics --max-line-length=127 --ignore=E402,W503,E203

	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Search for severe code errors with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	pip install flake8
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --max-line-length=127

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