[GSoC2024] add test case for subsequent annotation import #6592

	name: Black
	on: pull_request
	jobs:
	Linter:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- id: files
	uses: tj-actions/changed-files@v41.0.0
	with:
	files: \|
	cvat-sdk/*/.py
	cvat-cli/*/.py
	tests/python/*/.py
	cvat/apps/quality_control/*/.py
	cvat/apps/analytics_report/*/.py
	dir_names: true

	- name: Run checks
	env:
	PR_FILES_AM: ${{ steps.files.outputs.added_modified }}
	PR_FILES_RENAMED: ${{ steps.files.outputs.renamed }}
	run: \|
	# If different modules use different Black configs,
	# we need to run Black for each python component group separately.
	# Otherwise, they all will use the same config.

	UPDATED_DIRS="${{steps.files.outputs.all_changed_files}}"

	if [[ ! -z $UPDATED_DIRS ]]; then
	pipx install $(egrep "black.*" ./cvat-cli/requirements/development.txt)

	echo "Black version: "$(black --version)
	echo "The dirs will be checked: $UPDATED_DIRS"
	EXIT_CODE=0
	for DIR in $UPDATED_DIRS; do
	black --check --diff $DIR \|\| EXIT_CODE=$(($? \| $EXIT_CODE)) \|\| true
	done
	exit $EXIT_CODE
	else
	echo "No files with the \"py\" extension found"
	fi

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