Use PEP 508's req @ url syntax instead of deprecated egg fragments #10092

	name: Lint Python
	on:
	pull_request:
	push:
	repository_dispatch:
	types:
	- dispatched_test

	env:
	ref: ${{ github.event.client_payload.ref \|\| '' }}

	jobs:
	lint_python:
	name: Lint Python
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	ref: ${{ env.ref }}
	- uses: actions/setup-python@v4
	with:
	python-version: "3.8"
	- run: >
	python -m pip install
	'pyflakes @ https://github.com/pycqa/pyflakes/tarball/1911c20'
	'pycodestyle @ https://github.com/pycqa/pycodestyle/tarball/d219c68'
	'flake8 @ https://github.com/pycqa/flake8/tarball/3.7.9'
	name: Install Flake8
	- run: "python -m flake8 . --count --select=E9,F7,F82 --show-source"
	name: Flake8 Linting

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