Update waveguides.ipynb #239

	name: pytest

	on:
	pull_request:
	push:
	branches: [master, dev]

	jobs:
	pytest:
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10"]
	fail-fast: false
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U \
	matplotlib \
	scipy \
	rectpack \
	klayout \
	freetype-py \
	pytest
	pip install -e .
	- name: Run test
	uses: GabrielBB/xvfb-action@v1
	with:
	run: \|
	pytest

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