Fix `_print_value_fmt` for some objectives and fix some latex labels #6621

	name: Linting

	on: [pull_request, workflow_dispatch]

	jobs:
	flake8_linting:
	runs-on: ubuntu-latest
	name: Linting
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.10
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r devtools/dev-requirements.txt
	- name: flake8 Lint
	uses: reviewdog/action-flake8@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	reporter: github-pr-review

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