Use a boolean flag instead of env_add #508

	name: Lint
	on: [push, pull_request]

	jobs:
	lint:
	strategy:
	matrix:
	python-version: [3.8]
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@v4
	- name: Cache for pip
	uses: actions/cache@v3
	id: cache-pip
	with:
	path: ~/.cache/pip
	key: ${{ matrix.os }}-cache-pip

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Critical lint
	run: \|
	pip install flake8
	flake8 . --count --select=E9,F63,F7,E71 --show-source --statistics --exclude=android-?dk # TODO: Add F82

	- name: Style lint
	run: \|
	flake8 pwnlib setup.py docs travis --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	flake8 examples --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore='F403,F405'
	flake8 pwn --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore='F401,F403,F405'

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