Raise an error when `unreserve_vlan()` can't find the request ID #480

	# Run some code checks with GitHub Actions.

	name: Code checks

	on:
	push:
	branches:
	- main
	pull_request:

	permissions:
	contents: read

	jobs:

	checks:
	runs-on: ubuntu-latest
	steps:

	- name: Check out sources
	uses: actions/checkout@v4

	- name: Set up Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: "3.9"
	cache: 'pip' # cache pip dependencies
	cache-dependency-path: pyproject.toml

	- name: Install tools
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .[lint]

	- name: Run "black --check"
	run: \|
	python -m black --check $(git ls-files "*.py")

	- name: Run "isort --check"
	run: \|
	python -m isort --check $(git ls-files "*.py")

Provide feedback