Fix crop_with_convex_hull crash when margin_thickness is zero #407

	name: pytest

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	name: Test pip install python ${{ matrix.python-version }} on ${{ matrix.os }} with zarr ${{ matrix.zarr-version }}

	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.9", "3.10"]
	zarr-version: [">=2,<3", ">2,<=3"]
	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install package with pip
	run: \|
	python -m pip install ".[latlon-domain-crop]" "zarr${{ matrix.zarr-version }}"
	python -m pip install pytest

	- name: Run tests (non-distributed)
	env:
	AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
	AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
	run: \|
	python -m pytest tests/
	- name: Install distributed dependencies
	run: \|
	python -m pip install .[dask-distributed]
	- name: Run tests (distributed)
	env:
	AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
	AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
	run: \|
	python -m pytest tests/

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