Update surface.py #556

	name: Run tests

	on:
	push:
	branches:
	- main

	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install numpy wheel packaging
	pip install -r requirements.txt
	pip install -e .[tests]
	pip install -e .[decimation]

	- name: Test
	run: python setup.py test

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