Add rudimentary country count #22

	---
	name: "unit tests - all"
	on:
	pull_request:
	push:
	branches: [main]
	jobs:
	tox:
	name: "Python ${{ matrix.python-version }} -- ${{ matrix.os }} "
	runs-on: ${{ matrix.os }}
	continue-on-error: ${{ matrix.experimental }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	python-version: ["3.11.x", "3.12.x"]
	experimental: [false]
	include:
	- os: ubuntu-latest
	python-version: "3.13.x"
	experimental: true
	- os: macos-latest
	python-version: "3.13.x"
	experimental: true
	steps:
	- name: "check out repository"
	uses: "actions/checkout@v4"
	with:
	submodules: 'true'
	- name: "set up python ${{ matrix.python-version }}"
	uses: "actions/setup-python@v5"
	with:
	python-version: "${{ matrix.python-version }}"
	- name: "get pip cache dir"
	id: "pip-cache"
	run: \|
	echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
	- name: "test"
	run: echo "${{ steps.pip-cache.outputs.dir }}"
	- name: "cache pip packages"
	uses: "actions/cache@v4"
	with:
	path: "${{ steps.pip-cache.outputs.dir }}"
	key: "${{ runner.os }}-pip-${{ hashFiles('/base.txt', '/local.txt') }}"
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: "install tox"
	run: \|
	python -m pip install --upgrade pip
	pip install tox
	- name: "run tox"
	env:
	TOXENV: py3
	run: \|
	tox

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