added this hook to pre-commit #35

	name: Unit tests

	on:
	push:
	branches:
	- "**"

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.7
	uses: actions/setup-python@v3
	with:
	python-version: "3.7"
	- name: Add annotation_checker to PYTHONPATH
	run: \|
	echo "PYTHONPATH=$PYTHONPATH:$PWD/annotation_checker" >> $GITHUB_ENV
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	- name: Test with pytest
	run: \|
	pytest tests/unit_tests.py

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