Fix Max lookback issue #163

	# ---------------------------
	#
	# Check the source files for quality issues
	#
	# ---------------------------

	name: Lint

	on:
	push:
	branches:
	- main
	- master
	pull_request:
	branches:
	- main
	- master

	jobs:
	flake8:
	name: Flake8
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install "flake8>=3.7.0"
	- name: Lint with flake8
	run: python -m flake8 .

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