Fix `np.unique()` calls for numpy 2.0 #21

	name: jigsaw-python tester

	on:
	workflow_dispatch:
	pull_request:
	push:

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ["3.10"]

	steps:
	- uses: actions/checkout@v3

	- name: Print environment
	run: \|
	echo github.event.action: ${{ github.event.action }}
	echo github.event_name: ${{ github.event_name }}

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

	- name: Install dependencies on win
	if: startsWith(matrix.os, 'windows')
	run: \|
	choco install ninja cmake
	ninja --version
	cmake --version

	- name: Install dependencies on unx
	if: startsWith(matrix.os, 'ubuntu')
	run: \|
	sudo apt-get update
	sudo apt-get install ninja-build cmake
	ninja --version
	cmake --version
	g++ --version

	- name: Install dependencies on osx
	if: startsWith(matrix.os, 'macos')
	run: \|
	brew install ninja cmake llvm libomp
	ninja --version
	cmake --version
	clang++ --version

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

	- name: Build jigsaw-python
	run: python setup.py build_external install

	- name: Eval. jigsaw-python
	run: python example.py --IDnumber=-1

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