refactor: make LRU dependency optional #349

	name: PR
	on:
	pull_request:
	branches:
	- main
	paths-ignore:
	- '**.md'
	jobs:
	test:
	name: Test
	timeout-minutes: 4
	runs-on: ubuntu-latest
	steps:
	- name: Check out
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	- name: Set up poetry
	uses: abatilo/actions-poetry@v2
	with:
	poetry-version: '1.2.2'
	- name: Check version
	run: ./scripts/version.sh check
	- name: Install dependencies
	run: poetry install --all-extras
	- name: Lint
	run: \|
	poetry run black . --check
	poetry run flake8
	poetry run mypy .
	- name: Set up API server
	uses: opvious/[email protected]
	with:
	license-key: ${{ secrets.OPVIOUS_LICENSE_KEY }}
	- name: Register specifications
	run: ./scripts/specifications.sh register
	- name: Test
	run: poetry run pytest

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