clean up and refactor of `pyremo.preproc` #622

	name: linting
	on:
	push:
	branches:
	- "*"
	pull_request:
	branches:
	- "*"

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	name: linting
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	shell: bash -l {0}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest"]
	# Bookend python versions
	python-version: ["3.9"]
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0 # Fetch all history for all branches and tags.

	- name: Create conda environment
	uses: mamba-org/provision-with-micromamba@main
	with:
	environment-name: pyremo-linting
	micromamba-version: 'latest'
	environment-file: ci/requirements/environment.yml
	extra-specs: \|
	python=${{ matrix.python-version }}
	black
	isort
	flake8
	channels: conda-forge

	- name: Install pyremo
	run: \|
	python -m pip install --no-deps -e .

	- name: Version info
	run: \|
	conda info -a
	conda list
	- name: Import pyremo
	run: \|
	python -c "import pyremo"
	- name: isort
	run: isort --check .
	- name: black
	if: always()
	run: black --check .
	- name: flake8
	if: always()
	run: flake8 .

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