Feat: Use ignore_existing_error_keys for already error then skip #13

	name: Lint Check

	on:
	pull_request:
	branches: [ code-review ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [ 3.7 ]

	steps:
	- uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	env:
	GITHUB_TOKEN: ${{ secrets.TOKEN }}
	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Run Lint Check
	run: \|
	flake8 payload_validator
	flake8 tests

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