add multithreads to train #148

	name: tests

	on:
	push:
	pull_request:

	jobs:
	tests:
	strategy:
	matrix:
	python-version: [ 3.7, 3.8 ]
	os: [ ubuntu-latest, windows-latest ]
	runs-on: ${{ matrix.os }}

	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 dependencies
	run: \|
	python -m pip install -U pip
	#pip install nose #pytest # flake8
	pip install pytest # flake8
	pip install --quiet -r requirements.txt
	- name: Test with pytest
	run: \|
	python -m pytest pyxtal_ff/test_all.py

	#notebooks:
	# strategy:
	# matrix:
	# python-version: [ 3.7, 3.8 ]
	# os: [ ubuntu-latest, windows-latest ]
	# runs-on: ${{ matrix.os }}

	# 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 dependencies
	# run: \|
	# python -m pip install -U pip
	# pip install pytest nbmake
	# pip install -r requirements.txt
	# pip install .
	# - name: Test notebooks with pytest
	# run: \|
	# pytest --nbmake ./examples --nbmake-timeout=3600

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