add phi0 parameter for fold_lightcurve function #126

	name: testcov workflow

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-20.04
	name: Test python API
	defaults:
	run:
	working-directory: .
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.7.10'
	cache: 'pip' # caching pip dependencies
	- run: pip install -r requirements.txt
	- name: Install Pytest
	run: pip install pytest-cov
	- name: Install requirements
	run: pip install -r requirements.txt
	- name: Run tests and collect coverage
	run: pytest --cov=./ --cov-report=xml
	- name: Upload coverage reports to Codecov with GitHub Action
	uses: codecov/codecov-action@v3
	# Replace `linux` below with the appropriate OS
	# Options are `alpine`, `linux`, `macos`, `windows`
	- name: Report in Github
	run: \|
	curl -Os https://uploader.codecov.io/latest/linux/codecov
	chmod +x codecov
	./codecov -t ${CODECOV_TOKEN}

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