Add placeholder for CCDC and PSDI namespaces #182

	name: Check internal Python code

	on: [push, pull_request]

	jobs:

	pytest:
	name: Sanity checks (pytest)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	- name: Install OPTIMADE
	run: \|
	python -m pip install --upgrade pip
	pip install -U setuptools
	pip install optimade pytest
	- name: Run local tests on repository
	run: pytest -s

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