add possibility to return a masked array #109

	name: Test with Ubuntu, Mamba

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 5
	fail-fast: false
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11']
	defaults:
	run:
	shell: bash -l {0}
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python from Miniconda/mamba
	uses: conda-incubator/setup-miniconda@v2
	with:
	miniconda-version: latest
	mamba-version: "*"
	channels: conda-forge,defaults
	channel-priority: true
	activate-environment: anaconda-client-env
	python-version: ${{ matrix.python-version }}
	- name: Install mamba dependencies
	run: \|
	printenv
	mamba install -y -c conda-forge python=${{ matrix.python-version }} numpy=>1.22 scipy=>1.8 matplotlib=>3.6 wxpython
	mamba install -y -c conda-forge scikit-image scikit-learn pycifrw pandas jupyter plotly pyparsing pytest pytest-cov coverage
	- name: Install xraylarch and other dependencies with pip
	run: \|
	pip install lmfit peakutils pyepics pyshortcuts termcolor sphinx dill pycifrw xraydb wxmplot wxutils fabio silx imageio charset-normalizer
	pip install .
	- name: Run test suite
	run: \|
	cd tests
	python -m pytest

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