Lint

[distGB]fix the problem when graph has few nodes or edges in distributed partition #8570

	name: Lint

	on: [pull_request]

	jobs:
	lintrunner:
	runs-on: ubuntu-latest
	steps:
	- name: Pull DGL
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Checkout master and HEAD
	run: \|
	git checkout -t origin/master
	git checkout ${{ github.event.pull_request.head.sha }}

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.8'

	- name: Install requirements
	run: \|
	python -m pip install --upgrade pip
	pip install lintrunner --user

	- name: Initialize lint dependencies
	run: lintrunner init

	- name: Run lintrunner on all changed files
	run: \|
	set +e
	if ! lintrunner --force-color -m master --tee-json=lint.json; then
	echo ""
	echo -e "\e[1m\e[36mYou can reproduce these results locally by using \`lintrunner\`.\e[0m"
	echo -e "\e[1m\e[36mSee https://github.com/pytorch/pytorch/wiki/lintrunner for setup instructions.\e[0m"
	exit 1
	fi

	- name: Store annotations
	if: always() && github.event_name == 'pull_request'
	# Don't show this as an error; the above step will have already failed.
	continue-on-error: true
	run: \|
	# Use jq to massage the JSON lint output into GitHub Actions workflow commands.
	jq --raw-output \
	'"::\(if .severity == "advice" or .severity == "disabled" then "warning" else .severity end) file=\(.path),line=\(.line),col=\(.char),title=\(.code) \(.name)::" + (.description \| gsub("\\n"; "%0A"))' \
	lint.json

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.sha }}-${{ github.event_name == 'workflow_dispatch' }}
	cancel-in-progress: true

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