ep13b: Add cython back as a dev dependency for LSP #57

	name: Episode 13 - Language server checks

	on: push

	jobs:
	check_lsp:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: episode-13
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	- uses: abatilo/actions-poetry@v2
	- name: Install dependencies and build Cython extension
	run: poetry install --no-root
	- name: Rebuild the project
	run: poetry build
	- name: Cache venv created by poetry (configured to be in '.venv')
	uses: actions/cache@v3
	with:
	path: ./.venv
	key: venv-${{ runner.os }}-${{ hashFiles('poetry.lock') }}
	- name: Run pyright
	run: poetry run pyright

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