handling mixed slices and volumes #67

	name: Check Build
	on: pull_request

	jobs:
	twinecheck:
	name: twinecheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U setuptools setuptools_scm wheel twine
	- name: Build and check
	run: \|
	python setup.py sdist bdist_wheel
	twine check dist/*

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