Moved CRC32CHash into own private module #30

	name: Lint

	on:
	push:
	pull_request:
	schedule:
	# 00:00 UTC every Saturday, don't bother anyone
	- cron: '0 0 * * 6'

	jobs:
	mypy:
	runs-on: ubuntu-latest
	steps:
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11.8
	architecture: x64
	- name: Checkout
	uses: actions/checkout@v3
	- name: Install dev requirements
	run: pip install -r requirements-dev.txt
	- name: Install package
	run: python setup.py bdist_wheel && pip install dist/crc32c*.whl
	- name: Run mypy
	run: mypy --strict src test
	- name: Run black
	run: black --check src/ test/

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