feat: allow union types and none to be used with validate_is_instance #176

	name: Code Coverage Assessment

	on:
	push:
	branches: ["main"]
	pull_request:
	branches: ["**"]

	jobs:
	coverage_assessment:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: 3.11
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install coverage
	if [ -f requirements-dev.txt ]; then pip install --no-dependencies -r requirements-dev.txt; fi
	- name: Generate code coverage report
	run: \|
	coverage run --branch
	coverage report

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