Ability to generate planar metric terms and addition of `test_eta.py` unit test #223

	name: "Lint"
	on:
	pull_request:

	# cancel running jobs if theres a newer push
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/[email protected]
	with:
	submodules: 'recursive'
	- name: Step Python
	uses: actions/[email protected]
	with:
	python-version: '3.11.7'
	- name: Install OpenMPI for gt4py
	run: \|
	sudo apt-get install libopenmpi-dev
	- name: Install Python packages
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	pip install .[develop]
	- name: Run lint via pre-commit
	run: \|
	pre-commit run --all-files

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