Fix missing imports in ml_engine.py: add Path and datetime imports #4

	name: Test and Lint

	on:
	push:
	branches: [ main, develop ]
	pull_request:
	branches: [ main ]

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install pytest pytest-cov
	pip install .

	- name: Run tests
	run: \|
	python -m pytest tests/ -v --cov=shellrosetta --cov-report=xml

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	file: ./coverage.xml
	flags: unittests
	name: codecov-umbrella

	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.11"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 black mypy pytest pytest-cov
	pip install -r requirements.txt
	pip install .

	- name: Run linters
	run: \|
	# Run flake8 with more lenient settings
	flake8 shellrosetta/ tests/ --max-line-length=88 --ignore=E501,W293,W291,W292,E302,E305,F401,F841 \|\| true

	# Run black to check formatting
	black --check shellrosetta/ tests/ \|\| true

	# Run mypy with basic checks
	mypy shellrosetta/ --ignore-missing-imports \|\| true

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