updates test.yml file to include mypy gh actions #43

	name: Tests
	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	test:
	name: Test
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version:
	- "3.7.1"
	- "3.8.0"
	- "3.9.0"
	- "3.10.0"
	- "3.11.0"
	- "3.12.0"
	steps:
	- name: Checkout
	uses: actions/checkout@4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install package and python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[ci]

	- name: Test
	uses: codecov/codecov-action@v4
	run: pytest --cov

	- name: Run mypy
	run: mypy to_file_like_obj

Provide feedback