update notebooks/view.md to fix #5902 #5483

	# This is a basic workflow to help you get started with Actions

	name: pull-request-test

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	pull_request:
	branches:
	- main

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	env:
	PIP_CONSTRAINT: /home/runner/work/DaoCloud-docs/DaoCloud-docs/constraints.txt
	MKDOCS_GIT_COMMITTERS_APIKEY: ${{ secrets.ORG_TOKEN }}

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build-test:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- uses: actions/setup-python@v2
	with:
	python-version: 3.x

	# Install mkdocs-material
	- run: pip install -r requirements.txt -c $PIP_CONSTRAINT
	- run: pip install mkdocs-material --no-cache # double check it.

	# Build docs
	- run: pwd
	- run: mkdocs build -f docs/zh/mkdocs.yml -d ../../public/
	- run: mkdocs build -f docs/en/mkdocs.yml -d ../../public/en/

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