Update requirements.txt #161

	# This is a basic workflow to compile and deploy notebook-classroom

	name: Notebook-Classrom

	# Only run on push to the master branch
	on:
	push:
	branches: [ master ]

	# Jobs to compile notebook classroom
	jobs:
	# Publish the application on github pages
	publish:
	# use ubuntu
	runs-on: ubuntu-20.04

	steps:
	# Checks-out $GITHUB_WORKSPACE
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup Python 3.8
	uses: actions/setup-python@v1
	with:
	python-version: 3.8

	# install requirements
	- name: Install requirements
	run: \|
	python -m pip install --upgrade pip
	pip install -r docs/requirements.txt

	# Compile notebooks
	- name: Compile Notebooks
	run: \|
	mkdir nb
	for i in sem*; do jupyter nbconvert --to html --output=$i --output-dir=nb $i/main.ipynb; done
	for i in sem*; do jupyter nbconvert --to slides --output=$i --output-dir=nb $i/main.ipynb; done

	# install latest notebook classroom app
	- name: Install Notebook-classroom
	run: \|
	wget https://github.com/hydrocode-de/notebook-classroom/releases/latest/download/notebook-classroom.zip
	unzip notebook-classroom.zip -d dist

	# install latest notebook classroom app
	- name: Replace Files
	run: \|
	cp -r docs/* dist/
	cp -r nb dist/

	# install latest notebook classroom app
	- name: Add Index file
	uses: docker://pandoc/core:2.9
	with:
	args: >- # allows you to break string into multiple lines
	--standalone
	--output=dist/static/readme.htlm
	README.rst

	- name: Deploy
	uses: crazy-max/ghaction-github-pages@v1
	with:
	target_branch: gh-pages
	build_dir: dist
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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