Improve performance of frame position computation #83

	name: unit tests

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools
	pip install .
	pip install -r requirements_test.txt
	- name: Lint with flake8
	run: flake8 --exclude='bin,build,.eggs'
	- name: Type check with mypy
	run: mypy src
	- name: Test with pytest
	run: pytest --cov=dicomslide --cov-fail-under=74 tests

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