Fix DataInvalidError with null unsafe return #9

	name: publish-to-pypi

	on:
	push:
	# Sequence of patterns matched against refs/tags
	tags:
	- 'v'# Push events to matching v, i.e. v1.0.0

	jobs:
	build-and-publish:
	name: Build and publish to PyPI
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"
	- name: Install pypa/build
	run: >-
	python -m
	pip install -U
	pip
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--sdist
	--wheel
	--outdir dist/
	.
	- name: Publish distribution to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	if: startsWith(github.ref, 'refs/tags')
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}

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