new version 2.3.1 #655

	name: Build documentation

	on:
	pull_request:
	branches:
	- develop
	- master

	jobs:
	documentation:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repo
	uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: '3.9'

	- name: Install dependencies
	run: \|
	sudo apt update
	sudo apt-get install -y libreoffice djvulibre-bin poppler-utils tesseract-ocr libtesseract-dev tesseract-ocr-rus tesseract-ocr-eng
	python -m pip install --upgrade --no-cache-dir pip setuptools
	python -m pip install --exists-action=w --no-cache-dir -r requirements.txt
	python -m pip install --upgrade --upgrade-strategy eager --no-cache-dir .[torch,docs]

	- name: Build documentation
	# Build the documentation, you can use this command locally
	run: \|
	python -m sphinx -T -E -W -b html -d docs/_build/doctrees -D language=en docs/source docs/_build
	cd docs/source/_static/code_examples
	python dedoc_usage_tutorial.py
	python dedoc_add_new_doc_type_tutorial.py
	python dedoc_add_new_structure_type_tutorial.py
	python dedoc_using_patterns_tutorial.py

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