Adding pyarrow to test dependencies. #131

	name: Code linting and testing

	on: [push, pull_request]

	jobs:
	Tests:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']

	steps:
	- 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 .[test] tox-gh-actions

	# code quality check (linting)
	- name: Lint with flake8
	if: ${{ always() }}
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

	# run the tests located in skrf/
	- name: Test the code, tutorials and examples
	if: ${{ always() }}
	run: \|
	tox

	# Upload coverage data to coveralls.io
	- name: Upload coverage data to coveralls.io
	continue-on-error: true
	if: ${{ always() }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COVERALLS_FLAG_NAME: ${{ matrix.test-name }}
	COVERALLS_PARALLEL: true
	run: \|
	pip install coveralls
	coveralls --service=github

	coveralls:
	name: Indicate completion to coveralls.io (Finish)
	continue-on-error: true
	if: ${{ always() }}
	needs: Tests
	runs-on: ubuntu-latest
	container: python:3-slim
	steps:
	- name: Finished
	run: \|
	pip3 install --upgrade coveralls
	coveralls --finish
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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